#6099CC
Closest named color: Faded Blue (#658CBB). oklch(66.4% 0.097 246.8), rgb(96, 153, 204).
Aa
Black text reads best on this color (6.92:1).
About this color
#6099CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.097 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.92:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #6099CC |
| RGB | rgb(96, 153, 204) |
| HSL | hsl(208, 51%, 59%) |
| OKLCH | oklch(66.4% 0.097 246.8) |
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 #6099CC | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #6099CC | 6.92:1 | AA | Lc 47.1 | Large or bold text, headings |
| #6099CC text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #6099CC text on black | 6.92:1 | AA | Lc -44.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7AA5CE
oklch(70.6% 0.076 247.8)
-
Step 500
500 (this color)
#6099CC
oklch(66.4% 0.097 246.8)
-
Step 600
600
#3978AD
oklch(55.6% 0.105 246.6)
-
Step 700
700
#2B6595
oklch(49.1% 0.098 246.6)
-
Step 800
800
#255279
oklch(42.6% 0.082 247.3)
-
Step 900
900
#234461
oklch(37.6% 0.063 246.9)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#6099CC 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) | #849ACE | 0.042 |
| Deuteranopia (no green cones) | #758FCB | 0.033 |
| Tritanopia (no blue cones) | #20A5AA | 0.083 |
| Achromatopsia (no color) | #949494 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6099CC
#6099CC
oklch(66.4% 0.097 246.8)
- #BC874F
#BC874F
oklch(66.4% 0.098 66.3)
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 #6099CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Greyblue #77A1B5 ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.059
- Blue Grey #758DA3 ΔE 0.063
- Dusty Blue #5A86AD ΔE 0.064
Use #6099CC 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.