#01191F
Closest named color: Rich Navy (#001219). oklch(19.7% 0.034 216.1), rgb(1, 25, 31).
Aa
White text reads best on this color (18.10:1).
About this color
#01191F is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.034 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.028 away. White text reads best on it, at 18.10:1.
| Hue family | Teals and cyans |
| Lightness | very dark (20%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.10:1 |
Values
| HEX | #01191F |
| RGB | rgb(1, 25, 31) |
| HSL | hsl(192, 94%, 6%) |
| OKLCH | oklch(19.7% 0.034 216.1) |
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 #01191F | 18.10:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #01191F | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #01191F text on white | 18.10:1 | AAA | Lc 104.7 | Preferred for body text |
| #01191F text on black | 1.16:1 | 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 950.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C8D1
oklch(81% 0.039 215.1)
-
Step 400
400
#72ABBA
oklch(70.7% 0.063 216.1)
-
Step 500
500
#4896A9
oklch(63.1% 0.081 215.9)
-
Step 600
600
#238094
oklch(55.6% 0.088 215.7)
-
Step 700
700
#136C7E
oklch(49.1% 0.082 215.6)
-
Step 800
800
#155867
oklch(42.7% 0.068 216.5)
-
Step 900
900
#1A4954
oklch(37.8% 0.053 215.9)
-
Step 950
950 (this color)
#01191F
oklch(19.7% 0.034 216.1)
#01191F 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) | #15181F | 0.029 |
| Deuteranopia (no green cones) | #10151F | 0.025 |
| Tritanopia (no blue cones) | #001B1B | 0.013 |
| Achromatopsia (no color) | #161616 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01191F
#01191F
oklch(19.7% 0.034 216.1)
- #22100A
#22100A
oklch(19.7% 0.033 39.2)
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 #01191F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.029
- Almost Black #070D0D ΔE 0.051
- Dark #1B2431 ΔE 0.065
- Jet #212529 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.078
- Navy Blue #001146 ΔE 0.084
- Dark Navy #000435 ΔE 0.086
Use #01191F 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.