#192131
Closest named color: Dark (#1B2431). oklch(24.8% 0.033 263.7), rgb(25, 33, 49).
Aa
White text reads best on this color (16.11:1).
About this color
#192131 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.033 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.012 away. White text reads best on it, at 16.11:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.11:1 |
Values
| HEX | #192131 |
| RGB | rgb(25, 33, 49) |
| HSL | hsl(220, 32%, 15%) |
| OKLCH | oklch(24.8% 0.033 263.7) |
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 #192131 | 16.11:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #192131 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #192131 text on white | 16.11:1 | AAA | Lc 103.0 | Preferred for body text |
| #192131 text on black | 1.30:1 | 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
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B4C1DA
oklch(80.9% 0.038 263.6)
-
Step 400
400
#8DA1C8
oklch(70.7% 0.062 263.6)
-
Step 500
500
#7189BA
oklch(63.1% 0.079 264.1)
-
Step 600
600
#5973A6
oklch(55.7% 0.086 263.2)
-
Step 700
700
#49608E
oklch(49.1% 0.079 263.4)
-
Step 800
800
#3C4E74
oklch(42.6% 0.068 264.4)
-
Step 900
900
#33415D
oklch(37.6% 0.052 263.7)
-
Step 950
950 (this color)
#192131
oklch(24.8% 0.033 263.7)
#192131 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) | #1B2232 | 0.005 |
| Deuteranopia (no green cones) | #192031 | 0.004 |
| Tritanopia (no blue cones) | #112427 | 0.028 |
| Achromatopsia (no color) | #212121 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192131
#192131
oklch(24.8% 0.033 263.7)
- #29200E
#29200E
oklch(24.9% 0.033 83.5)
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 #192131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.012
- Oxford Blue #1B263B ΔE 0.023
- Jet #212529 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.067
- Navy Blue #001146 ΔE 0.079
- Rich Navy #001219 ΔE 0.082
Use #192131 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.