#192031
Closest named color: Dark (#1B2431). oklch(24.5% 0.034 266.7), rgb(25, 32, 49).
Aa
White text reads best on this color (16.25:1).
About this color
#192031 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.034 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.015 away. White text reads best on it, at 16.25:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #192031 |
| RGB | rgb(25, 32, 49) |
| HSL | hsl(223, 32%, 15%) |
| OKLCH | oklch(24.5% 0.034 266.7) |
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 #192031 | 16.25:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #192031 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #192031 text on white | 16.25:1 | AAA | Lc 103.2 | Preferred for body text |
| #192031 text on black | 1.29:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B5C1DC
oklch(81% 0.04 266.4)
-
Step 400
400
#8EA0CA
oklch(70.7% 0.065 266.7)
-
Step 500
500
#7388BC
oklch(63.1% 0.082 267.1)
-
Step 600
600
#5B71A8
oklch(55.5% 0.09 266.9)
-
Step 700
700
#4B5F90
oklch(49.1% 0.083 266.5)
-
Step 800
800
#3E4E75
oklch(42.8% 0.068 266.5)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950 (this color)
#192031
oklch(24.5% 0.034 266.7)
#192031 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) | #1A2132 | 0.004 |
| Deuteranopia (no green cones) | #181F31 | 0.004 |
| Tritanopia (no blue cones) | #112326 | 0.030 |
| Achromatopsia (no color) | #202020 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192031
#192031
oklch(24.5% 0.034 266.7)
- #281F0C
#281F0C
oklch(24.5% 0.034 84.4)
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 #192031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.015
- Oxford Blue #1B263B ΔE 0.025
- Rich Black #0D1B2A ΔE 0.029
- Jet #212529 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.060
- Gunmetal #293241 ΔE 0.070
- Navy Blue #001146 ΔE 0.077
- Rich Navy #001219 ΔE 0.080
Use #192031 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.