#6D99CF
Closest named color: Faded Blue (#658CBB). oklch(67.3% 0.094 254.1), rgb(109, 153, 207).
Aa
Black text reads best on this color (7.10:1).
About this color
#6D99CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.094 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.044 away. Black text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #6D99CF |
| RGB | rgb(109, 153, 207) |
| HSL | hsl(213, 51%, 62%) |
| OKLCH | oklch(67.3% 0.094 254.1) |
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 #6D99CF | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #6D99CF | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #6D99CF text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #6D99CF text on black | 7.10:1 | AAA | Lc -45.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A7C3E6
oklch(80.8% 0.058 254.2)
-
Step 400
400 (this color)
#6D99CF
oklch(67.3% 0.094 254.1)
-
Step 500
500
#538CD0
oklch(63.1% 0.119 253.9)
-
Step 600
600
#3675BD
oklch(55.7% 0.13 253.7)
-
Step 700
700
#2862A3
oklch(49.2% 0.12 253.6)
-
Step 800
800
#235084
oklch(42.7% 0.1 253.9)
-
Step 900
900
#22436A
oklch(37.8% 0.078 253.9)
-
Step 950
950
#14273E
oklch(26.9% 0.05 254.1)
#6D99CF 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) | #849BD1 | 0.029 |
| Deuteranopia (no green cones) | #7892CE | 0.021 |
| Tritanopia (no blue cones) | #43A5AC | 0.082 |
| Achromatopsia (no color) | #969696 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D99CF
#6D99CF
oklch(67.3% 0.094 254.1)
- #B98D51
#B98D51
oklch(67.3% 0.094 73.6)
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 #6D99CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.058
- Cool Gray #8D99AE ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.064
Use #6D99CF 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.