#677DF2
Closest named color: Cornflower (#6A79F7). oklch(63.1% 0.176 272.4), rgb(103, 125, 242).
Aa
Black text reads best on this color (5.79:1).
About this color
#677DF2 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.176 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.013 away. Black text reads best on it, at 5.79:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #677DF2 |
| RGB | rgb(103, 125, 242) |
| HSL | hsl(231, 84%, 68%) |
| OKLCH | oklch(63.1% 0.176 272.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #677DF2 | 3.62:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #677DF2 | 5.79:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #677DF2 text on white | 3.62:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #677DF2 text on black | 5.79:1 | AA | Lc -38.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400
#8499F6
oklch(70.6% 0.138 272.8)
-
Step 500
500 (this color)
#677DF2
oklch(63.1% 0.176 272.4)
-
Step 600
600
#5163E1
oklch(55.7% 0.191 272.5)
-
Step 700
700
#4251C3
oklch(49.1% 0.177 272.4)
-
Step 800
800
#36439E
oklch(42.7% 0.147 272.4)
-
Step 900
900
#2E3A7D
oklch(37.7% 0.114 272.2)
-
Step 950
950
#1B2249
oklch(26.9% 0.072 272.9)
#677DF2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #428DF6 | 0.049 |
| Deuteranopia (no green cones) | #2B81F0 | 0.053 |
| Tritanopia (no blue cones) | #0097AC | 0.155 |
| Achromatopsia (no color) | #868686 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677DF2
#677DF2
oklch(63.1% 0.176 272.4)
- #A58600
#A58600
oklch(63.1% 0.129 92.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #677DF2, closest first.
No curated palette has a color within ΔE 0.04 of #677DF2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.013
- Soft Blue #6488EA ΔE 0.032
- Medium Slate Blue #7B68EE ΔE 0.053
- Periwinkle #8E82FE ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.059
- Clear Blue #247AFD ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.063
Use #677DF2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.