#0F3B4A
Closest named color: Midnight Green (#073B4C). oklch(33% 0.053 224.9), rgb(15, 59, 74).
Aa
White text reads best on this color (12.03:1).
About this color
#0F3B4A is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.053 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.005 away. White text reads best on it, at 12.03:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.74:1 |
| White text | 12.03:1 |
Values
| HEX | #0F3B4A |
| RGB | rgb(15, 59, 74) |
| HSL | hsl(195, 66%, 17%) |
| OKLCH | oklch(33% 0.053 224.9) |
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 #0F3B4A | 12.03:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #0F3B4A | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #0F3B4A text on white | 12.03:1 | AAA | Lc 97.3 | Preferred for body text |
| #0F3B4A text on black | 1.74:1 | Fails | Lc 0.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A6C7D4
oklch(81% 0.04 223.7)
-
Step 400
400
#74AABF
oklch(70.8% 0.064 224.3)
-
Step 500
500
#4D94AF
oklch(63.1% 0.082 225.2)
-
Step 600
600
#2B7E9A
oklch(55.6% 0.089 224.5)
-
Step 700
700
#1C6A84
oklch(49.1% 0.083 225.2)
-
Step 800
800
#1B576B
oklch(42.8% 0.068 224.2)
-
Step 900
900 (this color)
#0F3B4A
oklch(33% 0.053 224.9)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#0F3B4A 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) | #333A4B | 0.042 |
| Deuteranopia (no green cones) | #2B344A | 0.036 |
| Tritanopia (no blue cones) | #003F40 | 0.027 |
| Achromatopsia (no color) | #363636 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3B4A
#0F3B4A
oklch(33% 0.053 224.9)
- #4C2C1E
#4C2C1E
oklch(33% 0.053 44.1)
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 #0F3B4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.005
- Dark Blue Grey #1F3B4D ΔE 0.016
- Prussian Blue #1D3557 ΔE 0.037
- Gunmetal #293241 ΔE 0.037
- Onyx #343A40 ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.053
Use #0F3B4A 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.