#10668C
Closest named color: Peacock Blue (#016795). oklch(48.2% 0.096 234.4), rgb(16, 102, 140).
Aa
White text reads best on this color (6.36:1).
About this color
#10668C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.096 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.014 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #10668C |
| RGB | rgb(16, 102, 140) |
| HSL | hsl(198, 79%, 31%) |
| OKLCH | oklch(48.2% 0.096 234.4) |
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 #10668C | 6.36:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #10668C | 3.30:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #10668C text on white | 6.36:1 | AA | Lc 81.2 | Fine for body text |
| #10668C text on black | 3.30:1 | AA large text | Lc -20.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF2
oklch(93.7% 0.013 233.7)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DB
oklch(80.9% 0.047 235.3)
-
Step 400
400
#71A9C8
oklch(70.8% 0.074 233.5)
-
Step 500
500
#4893BA
oklch(63.2% 0.095 233.7)
-
Step 600
600
#247CA7
oklch(55.5% 0.104 234.9)
-
Step 700
700 (this color)
#10668C
oklch(48.2% 0.096 234.4)
-
Step 800
800
#165574
oklch(42.6% 0.08 235.1)
-
Step 900
900
#1A475E
oklch(37.8% 0.063 234.2)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#10668C 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) | #53658E | 0.058 |
| Deuteranopia (no green cones) | #435A8B | 0.049 |
| Tritanopia (no blue cones) | #007073 | 0.059 |
| Achromatopsia (no color) | #5F5F5F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10668C
#10668C
oklch(48.2% 0.096 234.4)
- #874E23
#874E23
oklch(48.3% 0.096 54.9)
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 #10668C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.014
- Denim #3B638C ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.037
- Ocean Blue #03719C ΔE 0.037
- Sea Blue #047495 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.051
Use #10668C 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.