#0F4D5E
Closest named color: Dark Grey Blue (#29465B). oklch(39.1% 0.066 221.1), rgb(15, 77, 94).
Aa
White text reads best on this color (9.36:1).
About this color
#0F4D5E is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.066 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 9.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #0F4D5E |
| RGB | rgb(15, 77, 94) |
| HSL | hsl(193, 72%, 21%) |
| OKLCH | oklch(39.1% 0.066 221.1) |
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 #0F4D5E | 9.36:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #0F4D5E | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #0F4D5E text on white | 9.36:1 | AAA | Lc 91.3 | Preferred for body text |
| #0F4D5E text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC9D7
oklch(81% 0.049 219.7)
-
Step 400
400
#65ACC3
oklch(70.6% 0.079 220.9)
-
Step 500
500
#3197B4
oklch(63.1% 0.1 220.9)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900 (this color)
#0F4D5E
oklch(39.1% 0.066 221.1)
-
Step 950
950
#0A2B35
oklch(27% 0.042 221.8)
#0F4D5E 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) | #434B5F | 0.054 |
| Deuteranopia (no green cones) | #38435E | 0.048 |
| Tritanopia (no blue cones) | #005252 | 0.031 |
| Achromatopsia (no color) | #474747 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F4D5E
#0F4D5E
oklch(39.1% 0.066 221.1)
- #633929
#633929
oklch(39.2% 0.065 41.5)
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 #0F4D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Charcoal #264653 ΔE 0.027
- Deep Teal #00555A ΔE 0.029
- Dark Teal #014D4E ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.045
- Petrol #005F6A ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.058
Use #0F4D5E 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.