#161D4A
Closest named color: Oxford Blue (#1B263B). oklch(25.4% 0.083 272.4), rgb(22, 29, 74).
Aa
White text reads best on this color (16.04:1).
About this color
#161D4A is a dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.083 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 16.04:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.30:1 |
| White text | 16.04:1 |
Values
| HEX | #161D4A |
| RGB | rgb(22, 29, 74) |
| HSL | hsl(232, 54%, 19%) |
| OKLCH | oklch(25.4% 0.083 272.4) |
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 #161D4A | 16.04:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #161D4A | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #161D4A text on white | 16.04:1 | AAA | Lc 102.8 | Preferred for body text |
| #161D4A 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600
#4D5DF1
oklch(55.6% 0.22 272.3)
-
Step 700
700
#3F4BD2
oklch(49.1% 0.205 272.3)
-
Step 800
800
#343FA9
oklch(42.8% 0.168 272.5)
-
Step 900
900
#2C3786
oklch(37.7% 0.132 272.4)
-
Step 950
950 (this color)
#161D4A
oklch(25.4% 0.083 272.4)
#161D4A 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) | #00244C | 0.028 |
| Deuteranopia (no green cones) | #001F49 | 0.025 |
| Tritanopia (no blue cones) | #002830 | 0.071 |
| Achromatopsia (no color) | #212121 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161D4A
#161D4A
oklch(25.4% 0.083 272.4)
- #2B2200
#2B2200
oklch(25.5% 0.052 94.3)
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 #161D4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.045
- Dark Indigo #1F0954 ΔE 0.048
- Navy Blue #001146 ΔE 0.050
- Dark #1B2431 ΔE 0.057
- Marine #042E60 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.069
- Midnight Blue #191970 ΔE 0.069
Use #161D4A 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.