#161F4D
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.085 271), rgb(22, 31, 77).
Aa
White text reads best on this color (15.70:1).
About this color
#161F4D is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.085 and its hue 271°. 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 15.70:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.70:1 |
Values
| HEX | #161F4D |
| RGB | rgb(22, 31, 77) |
| HSL | hsl(230, 56%, 19%) |
| OKLCH | oklch(26.2% 0.085 271) |
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 #161F4D | 15.70:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #161F4D | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #161F4D text on white | 15.70:1 | AAA | Lc 102.4 | Preferred for body text |
| #161F4D text on black | 1.33:1 | 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
#E2E9FE
oklch(93.5% 0.029 271.1)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#AABEFF
oklch(81% 0.095 271)
-
Step 400
400
#7E99FF
oklch(70.7% 0.152 270.9)
-
Step 500
500
#607BFF
oklch(63.2% 0.197 271)
-
Step 600
600
#485DF4
oklch(55.6% 0.225 270.9)
-
Step 700
700
#3B4BD4
oklch(49.1% 0.208 271.1)
-
Step 800
800
#303FAB
oklch(42.7% 0.172 271)
-
Step 900
900
#293788
oklch(37.7% 0.136 271)
-
Step 950
950 (this color)
#161F4D
oklch(26.2% 0.085 271)
#161F4D 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) | #01264F | 0.026 |
| Deuteranopia (no green cones) | #00214C | 0.023 |
| Tritanopia (no blue cones) | #002A32 | 0.072 |
| Achromatopsia (no color) | #232323 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161F4D
#161F4D
oklch(26.2% 0.085 271)
- #2E2300
#2E2300
oklch(26.2% 0.053 91.2)
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 #161F4D, 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 0.051
- Marine #042E60 ΔE 0.053
- Navy Blue #001146 ΔE 0.056
- Dark #1B2431 ΔE 0.059
- Midnight Blue #191970 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.069
Use #161F4D 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.