#0F4151
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.1% 0.058 223.9), rgb(15, 65, 81).
Aa
White text reads best on this color (11.08:1).
About this color
#0F4151 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.058 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.021 away. White text reads best on it, at 11.08:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #0F4151 |
| RGB | rgb(15, 65, 81) |
| HSL | hsl(195, 69%, 19%) |
| OKLCH | oklch(35.1% 0.058 223.9) |
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 #0F4151 | 11.08:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #0F4151 | 1.89:1 | Fails | Lc 8.6 | Not readable |
| #0F4151 text on white | 11.08:1 | AAA | Lc 95.3 | Preferred for body text |
| #0F4151 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
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#6FAAC1
oklch(70.6% 0.07 224.6)
-
Step 500
500
#4495B1
oklch(63.1% 0.089 223.7)
-
Step 600
600
#1C7F9D
oklch(55.6% 0.097 223.8)
-
Step 700
700
#096B86
oklch(49.1% 0.09 223.8)
-
Step 800
800
#10576D
oklch(42.6% 0.074 224.4)
-
Step 900
900 (this color)
#0F4151
oklch(35.1% 0.058 223.9)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#0F4151 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) | #383F52 | 0.045 |
| Deuteranopia (no green cones) | #2F3951 | 0.040 |
| Tritanopia (no blue cones) | #004646 | 0.031 |
| Achromatopsia (no color) | #3C3C3C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F4151
#0F4151
oklch(35.1% 0.058 223.9)
- #543021
#543021
oklch(35.1% 0.058 43.1)
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 #0F4151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.021
- Midnight Green #073B4C ΔE 0.022
- Charcoal #264653 ΔE 0.028
- Dark Grey Blue #29465B ΔE 0.035
- Dark Teal #014D4E ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.044
- Onyx #343A40 ΔE 0.046
- Gunmetal #293241 ΔE 0.052
Use #0F4151 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.