#161D40
Closest named color: Oxford Blue (#1B263B). oklch(24.6% 0.067 272.1), rgb(22, 29, 64).
Aa
White text reads best on this color (16.35:1).
About this color
#161D40 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.067 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.035 away. White text reads best on it, at 16.35:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.28:1 |
| White text | 16.35:1 |
Values
| HEX | #161D40 |
| RGB | rgb(22, 29, 64) |
| HSL | hsl(230, 49%, 17%) |
| OKLCH | oklch(24.6% 0.067 272.1) |
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 #161D40 | 16.35:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #161D40 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #161D40 text on white | 16.35:1 | AAA | Lc 103.2 | Preferred for body text |
| #161D40 text on black | 1.28:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF4
oklch(80.9% 0.078 272.5)
-
Step 400
400
#859BEF
oklch(70.7% 0.126 271.7)
-
Step 500
500
#697FEA
oklch(63.1% 0.162 272.3)
-
Step 600
600
#5266D8
oklch(55.6% 0.175 272)
-
Step 700
700
#4354BC
oklch(49.2% 0.164 272)
-
Step 800
800
#374598
oklch(42.7% 0.136 272.2)
-
Step 900
900
#2F3B79
oklch(37.7% 0.106 272.1)
-
Step 950
950 (this color)
#161D40
oklch(24.6% 0.067 272.1)
#161D40 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) | #0C2241 | 0.019 |
| Deuteranopia (no green cones) | #061E3F | 0.020 |
| Tritanopia (no blue cones) | #00252B | 0.060 |
| Achromatopsia (no color) | #202020 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161D40
#161D40
oklch(24.6% 0.067 272.1)
- #291F00
#291F00
oklch(24.4% 0.05 91.4)
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 #161D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.035
- Dark #1B2431 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.045
- Navy Blue #001146 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.060
- Jet #212529 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.066
- Marine #042E60 ΔE 0.073
Use #161D40 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.