#6D99C8
Closest named color: Faded Blue (#658CBB). oklch(67% 0.085 250.8), rgb(109, 153, 200).
Aa
Black text reads best on this color (7.04:1).
About this color
#6D99C8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.085 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 (0.085) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #6D99C8 |
| RGB | rgb(109, 153, 200) |
| HSL | hsl(211, 45%, 61%) |
| OKLCH | oklch(67% 0.085 250.8) |
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 #6D99C8 | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #6D99C8 | 7.04:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #6D99C8 text on white | 2.98:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #6D99C8 text on black | 7.04:1 | AAA | Lc -45.4 | 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C4E2
oklch(81% 0.052 250.3)
-
Step 400
400 (this color)
#6D99C8
oklch(67% 0.085 250.8)
-
Step 500
500
#548DC9
oklch(63% 0.109 251.1)
-
Step 600
600
#3776B6
oklch(55.5% 0.119 251.1)
-
Step 700
700
#29639C
oklch(49% 0.11 250.8)
-
Step 800
800
#24517F
oklch(42.7% 0.091 251.2)
-
Step 900
900
#224466
oklch(37.8% 0.071 250.2)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#6D99C8 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) | #869ACA | 0.031 |
| Deuteranopia (no green cones) | #7B91C7 | 0.026 |
| Tritanopia (no blue cones) | #48A4A9 | 0.074 |
| Achromatopsia (no color) | #959595 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D99C8
#6D99C8
oklch(67% 0.085 250.8)
- #B68C59
#B68C59
oklch(66.9% 0.085 70.9)
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 #6D99C8, 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 0.043
- Silver Lake Blue #778DA9 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.053
- Blue Grey #758DA3 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.060
Use #6D99C8 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.