#677FF6
Closest named color: Cornflower (#6A79F7). oklch(63.7% 0.179 271.9), rgb(103, 127, 246).
Aa
Black text reads best on this color (5.94:1).
About this color
#677FF6 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.179 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.015 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #677FF6 |
| RGB | rgb(103, 127, 246) |
| HSL | hsl(230, 89%, 68%) |
| OKLCH | oklch(63.7% 0.179 271.9) |
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 #677FF6 | 3.53:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #677FF6 | 5.94:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #677FF6 text on white | 3.53:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #677FF6 text on black | 5.94:1 | AA | Lc -39.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CDD8FA
oklch(88.5% 0.048 271.2)
-
Step 300
300
#ACBEFA
oklch(80.9% 0.087 271.4)
-
Step 400
400
#829AF7
oklch(70.8% 0.139 271.5)
-
Step 500
500 (this color)
#677FF6
oklch(63.7% 0.179 271.9)
-
Step 600
600
#4F63E3
oklch(55.7% 0.194 271.8)
-
Step 700
700
#4051C5
oklch(49.1% 0.18 271.7)
-
Step 800
800
#35439F
oklch(42.7% 0.149 272)
-
Step 900
900
#2D3A7E
oklch(37.7% 0.116 271.6)
-
Step 950
950
#1A224A
oklch(26.9% 0.075 272)
#677FF6 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) | #428FFA | 0.048 |
| Deuteranopia (no green cones) | #2982F3 | 0.054 |
| Tritanopia (no blue cones) | #009AAF | 0.157 |
| Achromatopsia (no color) | #888888 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677FF6
#677FF6
oklch(63.7% 0.179 271.9)
- #A88800
#A88800
oklch(63.8% 0.131 92.1)
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 #677FF6, closest first.
No curated palette has a color within ΔE 0.04 of #677FF6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.015
- Soft Blue #6488EA ΔE 0.031
- Lavender Blue #8B88F8 ΔE 0.055
- Periwinkle #8E82FE ΔE 0.055
- Medium Slate Blue #7B68EE ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Clear Blue #247AFD ΔE 0.062
Use #677FF6 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.