#191E32
Closest named color: Dark (#1B2431). oklch(24.1% 0.039 272.5), rgb(25, 30, 50).
Aa
White text reads best on this color (16.49:1).
About this color
#191E32 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.039 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.022 away. White text reads best on it, at 16.49:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.27:1 |
| White text | 16.49:1 |
Values
| HEX | #191E32 |
| RGB | rgb(25, 30, 50) |
| HSL | hsl(228, 33%, 15%) |
| OKLCH | oklch(24.1% 0.039 272.5) |
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 #191E32 | 16.49:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #191E32 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #191E32 text on white | 16.49:1 | AAA | Lc 103.4 | Preferred for body text |
| #191E32 text on black | 1.27:1 | 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
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFDF
oklch(80.8% 0.046 272.9)
-
Step 400
400
#919ED0
oklch(70.7% 0.075 273.1)
-
Step 500
500
#7686C3
oklch(63.2% 0.094 272.2)
-
Step 600
600
#5F6EB0
oklch(55.5% 0.104 272.9)
-
Step 700
700
#4E5C97
oklch(49.1% 0.096 272.3)
-
Step 800
800
#404B7A
oklch(42.6% 0.079 272.6)
-
Step 900
900
#363F62
oklch(37.6% 0.061 272.2)
-
Step 950
950 (this color)
#191E32
oklch(24.1% 0.039 272.5)
#191E32 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) | #172033 | 0.007 |
| Deuteranopia (no green cones) | #151E32 | 0.006 |
| Tritanopia (no blue cones) | #112225 | 0.035 |
| Achromatopsia (no color) | #1F1F1F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191E32
#191E32
oklch(24.1% 0.039 272.5)
- #261F07
#261F07
oklch(24.1% 0.04 93.1)
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 #191E32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.022
- Rich Black #0D1B2A ΔE 0.027
- Oxford Blue #1B263B ΔE 0.030
- Jet #212529 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.065
- Navy Blue #001146 ΔE 0.071
- Gunmetal #293241 ΔE 0.076
- Rich Navy #001219 ΔE 0.078
Use #191E32 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.