#6677E1
Closest named color: Cornflower (#6A79F7). oklch(60.8% 0.16 273.8), rgb(102, 119, 225).
Aa
Black text reads best on this color (5.29:1).
About this color
#6677E1 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.160 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.034 away. Black text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #6677E1 |
| RGB | rgb(102, 119, 225) |
| HSL | hsl(232, 67%, 64%) |
| OKLCH | oklch(60.8% 0.16 273.8) |
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 #6677E1 | 3.96:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #6677E1 | 5.29:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #6677E1 text on white | 3.96:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #6677E1 text on black | 5.29:1 | AA | Lc -34.8 | 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B0BEF4
oklch(81% 0.078 273.3)
-
Step 400
400
#889AEF
oklch(70.7% 0.126 273.7)
-
Step 500
500 (this color)
#6677E1
oklch(60.8% 0.16 273.8)
-
Step 600
600
#5665D7
oklch(55.6% 0.174 273.7)
-
Step 700
700
#4753BB
oklch(49.2% 0.162 273.8)
-
Step 800
800
#3A4497
oklch(42.6% 0.135 274)
-
Step 900
900
#313B78
oklch(37.8% 0.104 273.4)
-
Step 950
950
#1D2346
oklch(27.1% 0.065 273.9)
#6677E1 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) | #4585E5 | 0.045 |
| Deuteranopia (no green cones) | #357BDF | 0.049 |
| Tritanopia (no blue cones) | #248EA1 | 0.142 |
| Achromatopsia (no color) | #808080 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6677E1
#6677E1
oklch(60.8% 0.16 273.8)
- #9B8000
#9B8000
oklch(60.7% 0.125 94)
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 #6677E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.034
- Soft Blue #6488EA ΔE 0.043
- Medium Slate Blue #7B68EE ΔE 0.049
- Royal Blue #4169E1 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.064
- Medium Purple #9370DB ΔE 0.066
- Clear Blue #247AFD ΔE 0.069
Use #6677E1 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.