#6CA3DB
Closest named color: Cornflower Blue (#6495ED). oklch(70% 0.101 249.9), rgb(108, 163, 219).
Aa
Black text reads best on this color (7.89:1).
About this color
#6CA3DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.101 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.053 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #6CA3DB |
| RGB | rgb(108, 163, 219) |
| HSL | hsl(210, 61%, 64%) |
| OKLCH | oklch(70% 0.101 249.9) |
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 #6CA3DB | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #6CA3DB | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #6CA3DB text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #6CA3DB text on black | 7.89:1 | AAA | Lc -50.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C4E9
oklch(80.8% 0.064 250.8)
-
Step 400
400 (this color)
#6CA3DB
oklch(70% 0.101 249.9)
-
Step 500
500
#458ED4
oklch(63.2% 0.129 249.7)
-
Step 600
600
#2076C1
oklch(55.5% 0.14 249.9)
-
Step 700
700
#1163A7
oklch(49.1% 0.131 250)
-
Step 800
800
#135187
oklch(42.7% 0.108 249.9)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#6CA3DB 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) | #8CA5DE | 0.038 |
| Deuteranopia (no green cones) | #7E9ADA | 0.029 |
| Tritanopia (no blue cones) | #33B0B6 | 0.088 |
| Achromatopsia (no color) | #9F9F9F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA3DB
#6CA3DB
oklch(70% 0.101 249.9)
- #C79355
#C79355
oklch(70% 0.101 69.7)
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 #6CA3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.053
- Greyblue #77A1B5 ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.065
- Bluegrey #85A3B2 ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.068
- Cool Gray #8D99AE ΔE 0.071
- Faded Blue #658CBB ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.073
Use #6CA3DB 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.