#131940
Closest named color: Navy Blue (#001146). oklch(23.4% 0.074 272.7), rgb(19, 25, 64).
Aa
White text reads best on this color (16.92:1).
About this color
#131940 is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.074 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.040 away. White text reads best on it, at 16.92:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #131940 |
| RGB | rgb(19, 25, 64) |
| HSL | hsl(232, 54%, 16%) |
| OKLCH | oklch(23.4% 0.074 272.7) |
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 #131940 | 16.92:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #131940 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #131940 text on white | 16.92:1 | AAA | Lc 103.7 | Preferred for body text |
| #131940 text on black | 1.24:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBDFA
oklch(80.8% 0.088 272.9)
-
Step 400
400
#8499F8
oklch(70.7% 0.141 272.9)
-
Step 500
500
#677CF4
oklch(63% 0.18 272.7)
-
Step 600
600
#5162E3
oklch(55.6% 0.195 272.7)
-
Step 700
700
#4250C5
oklch(49.1% 0.181 272.6)
-
Step 800
800
#36429F
oklch(42.6% 0.15 272.7)
-
Step 900
900
#2E397F
oklch(37.7% 0.118 272.7)
-
Step 950
950 (this color)
#131940
oklch(23.4% 0.074 272.7)
#131940 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) | #021F41 | 0.024 |
| Deuteranopia (no green cones) | #001B3F | 0.023 |
| Tritanopia (no blue cones) | #002229 | 0.063 |
| Achromatopsia (no color) | #1D1D1D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #131940
#131940
oklch(23.4% 0.074 272.7)
- #261D00
#261D00
oklch(23.5% 0.048 92.4)
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 #131940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.046
- Oxford Blue #1B263B ΔE 0.048
- Dark Indigo #1F0954 ΔE 0.053
- Dark #1B2431 ΔE 0.054
- Night Blue #040348 ΔE 0.063
- Midnight Purple #280137 ΔE 0.071
- Jet #212529 ΔE 0.071
Use #131940 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.