#6C99CA
Closest named color: Faded Blue (#658CBB). oklch(67% 0.088 251.3), rgb(108, 153, 202).
Aa
Black text reads best on this color (7.04:1).
About this color
#6C99CA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.088 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #6C99CA |
| RGB | rgb(108, 153, 202) |
| HSL | hsl(211, 47%, 61%) |
| OKLCH | oklch(67% 0.088 251.3) |
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 #6C99CA | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #6C99CA | 7.04:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #6C99CA text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #6C99CA text on black | 7.04:1 | AAA | Lc -45.5 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A7C4E4
oklch(81% 0.055 251.1)
-
Step 400
400 (this color)
#6C99CA
oklch(67% 0.088 251.3)
-
Step 500
500
#538DCB
oklch(63.1% 0.112 251.5)
-
Step 600
600
#3576B8
oklch(55.6% 0.122 251.3)
-
Step 700
700
#27639F
oklch(49.1% 0.114 251.3)
-
Step 800
800
#225181
oklch(42.7% 0.095 251.4)
-
Step 900
900
#214367
oklch(37.6% 0.074 251.6)
-
Step 950
950
#14283C
oklch(27.1% 0.046 249.9)
#6C99CA 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) | #869BCC | 0.033 |
| Deuteranopia (no green cones) | #7A91C9 | 0.026 |
| Tritanopia (no blue cones) | #44A4AA | 0.076 |
| Achromatopsia (no color) | #959595 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C99CA
#6C99CA
oklch(67% 0.088 251.3)
- #B78C56
#B78C56
oklch(66.9% 0.088 71.7)
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 #6C99CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Greyblue #77A1B5 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.052
- Cool Gray #8D99AE ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.057
- Blue Grey #758DA3 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.060
Use #6C99CA 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.