#191C30
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.039 276.5), rgb(25, 28, 48).
Aa
White text reads best on this color (16.79:1).
About this color
#191C30 is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.039 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.023 away. White text reads best on it, at 16.79:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.79:1 |
Values
| HEX | #191C30 |
| RGB | rgb(25, 28, 48) |
| HSL | hsl(232, 32%, 14%) |
| OKLCH | oklch(23.4% 0.039 276.5) |
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 #191C30 | 16.79:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #191C30 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #191C30 text on white | 16.79:1 | AAA | Lc 103.7 | Preferred for body text |
| #191C30 text on black | 1.25:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#949DCF
oklch(70.7% 0.074 276.4)
-
Step 500
500
#7A84C2
oklch(63% 0.094 276.3)
-
Step 600
600
#646DAF
oklch(55.6% 0.103 276.6)
-
Step 700
700
#535B96
oklch(49.1% 0.095 276.5)
-
Step 800
800
#444A7A
oklch(42.6% 0.08 277)
-
Step 900
900
#393E62
oklch(37.6% 0.062 277)
-
Step 950
950 (this color)
#191C30
oklch(23.4% 0.039 276.5)
#191C30 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) | #151E31 | 0.009 |
| Deuteranopia (no green cones) | #141C30 | 0.008 |
| Tritanopia (no blue cones) | #122023 | 0.035 |
| Achromatopsia (no color) | #1D1D1D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191C30
#191C30
oklch(23.4% 0.039 276.5)
- #231E06
#231E06
oklch(23.5% 0.039 97.7)
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 #191C30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.023
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.037
- Jet #212529 ΔE 0.042
- Navy Blue #001146 ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.071
- Rich Navy #001219 ΔE 0.073
- Midnight Purple #280137 ΔE 0.078
Use #191C30 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.