#10475B
Closest named color: Charcoal (#264653). oklch(37.3% 0.064 227.3), rgb(16, 71, 91).
Aa
White text reads best on this color (10.12:1).
About this color
#10475B is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.064 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 10.12:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #10475B |
| RGB | rgb(16, 71, 91) |
| HSL | hsl(196, 70%, 21%) |
| OKLCH | oklch(37.3% 0.064 227.3) |
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 #10475B | 10.12:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #10475B | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #10475B text on white | 10.12:1 | AAA | Lc 93.2 | Preferred for body text |
| #10475B text on black | 2.07:1 | Fails | Lc -9.3 | Not readable |
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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D9
oklch(81% 0.048 226.3)
-
Step 400
400
#6AABC6
oklch(70.8% 0.077 226.4)
-
Step 500
500
#3B95B8
oklch(63.1% 0.099 227.4)
-
Step 600
600
#027FA4
oklch(55.7% 0.107 227.2)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900 (this color)
#10475B
oklch(37.3% 0.064 227.3)
-
Step 950
950
#0D2A36
oklch(26.9% 0.041 228.4)
#10475B 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) | #3C465C | 0.047 |
| Deuteranopia (no green cones) | #323E5B | 0.041 |
| Tritanopia (no blue cones) | #004D4E | 0.035 |
| Achromatopsia (no color) | #424242 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10475B
#10475B
oklch(37.3% 0.064 227.3)
- #5C3521
#5C3521
oklch(37.2% 0.064 47.2)
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 #10475B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Dark Grey Blue #29465B ΔE 0.021
- Dark Teal #014D4E ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.040
- Midnight Green #073B4C ΔE 0.044
- Deep Teal #00555A ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Blue Green #005249 ΔE 0.056
Use #10475B 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.