#0A4152
Closest named color: Midnight Green (#073B4C). oklch(35% 0.061 224.2), rgb(10, 65, 82).
Aa
White text reads best on this color (11.10:1).
About this color
#0A4152 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.061 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.021 away. White text reads best on it, at 11.10:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #0A4152 |
| RGB | rgb(10, 65, 82) |
| HSL | hsl(194, 78%, 18%) |
| OKLCH | oklch(35% 0.061 224.2) |
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 #0A4152 | 11.10:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #0A4152 | 1.89:1 | Fails | Lc 8.5 | Not readable |
| #0A4152 text on white | 11.10:1 | AAA | Lc 95.4 | Preferred for body text |
| #0A4152 text on black | 1.89:1 | Fails | Lc -7.3 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C8D7
oklch(81% 0.046 223.9)
-
Step 400
400
#6CABC3
oklch(70.8% 0.074 224.2)
-
Step 500
500
#3F95B3
oklch(63% 0.093 224.3)
-
Step 600
600
#0F7F9F
oklch(55.5% 0.101 224.3)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#07586F
oklch(42.8% 0.078 224.1)
-
Step 900
900 (this color)
#0A4152
oklch(35% 0.061 224.2)
-
Step 950
950
#0E2A34
oklch(26.9% 0.038 224.5)
#0A4152 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) | #373F53 | 0.046 |
| Deuteranopia (no green cones) | #2E3952 | 0.041 |
| Tritanopia (no blue cones) | #004647 | 0.030 |
| Achromatopsia (no color) | #3C3C3C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A4152
#0A4152
oklch(35% 0.061 224.2)
- #55301F
#55301F
oklch(35.2% 0.061 45)
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 #0A4152, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.021
- Dark Blue Grey #1F3B4D ΔE 0.023
- Charcoal #264653 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.036
- Dark Teal #014D4E ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.044
- Onyx #343A40 ΔE 0.049
- Gunmetal #293241 ΔE 0.054
Use #0A4152 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.