#163976
Closest named color: Marine Blue (#01386A). oklch(35.7% 0.112 260.6), rgb(22, 57, 118).
Aa
White text reads best on this color (11.16:1).
About this color
#163976 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.112 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.026 away. White text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #163976 |
| RGB | rgb(22, 57, 118) |
| HSL | hsl(218, 69%, 27%) |
| OKLCH | oklch(35.7% 0.112 260.6) |
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 #163976 | 11.16:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #163976 | 1.88:1 | Fails | Lc 8.5 | Not readable |
| #163976 text on white | 11.16:1 | AAA | Lc 95.4 | Preferred for body text |
| #163976 text on black | 1.88:1 | 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 900.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#6FA0F4
oklch(70.7% 0.135 260.7)
-
Step 500
500
#4885F0
oklch(63% 0.173 260.7)
-
Step 600
600
#2A6CDF
oklch(55.6% 0.188 260.7)
-
Step 700
700
#1D59C1
oklch(49% 0.174 260.7)
-
Step 800
800
#1A4A9C
oklch(42.7% 0.144 260.5)
-
Step 900
900 (this color)
#163976
oklch(35.7% 0.112 260.6)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#163976 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) | #144078 | 0.020 |
| Deuteranopia (no green cones) | #003775 | 0.016 |
| Tritanopia (no blue cones) | #004852 | 0.087 |
| Achromatopsia (no color) | #3B3B3B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #163976
#163976
oklch(35.7% 0.112 260.6)
- #503700
#503700
oklch(35.6% 0.074 80.3)
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 #163976, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.026
- Twilight Blue #0A437A ΔE 0.029
- Marine #042E60 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Cobalt #1E488F ΔE 0.059
- Light Navy #155084 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.074
Use #163976 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.