#161F43
Closest named color: Oxford Blue (#1B263B). oklch(25.3% 0.069 270.3), rgb(22, 31, 67).
Aa
White text reads best on this color (16.01:1).
About this color
#161F43 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.069 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.032 away. White text reads best on it, at 16.01:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 16.01:1 |
Values
| HEX | #161F43 |
| RGB | rgb(22, 31, 67) |
| HSL | hsl(228, 51%, 17%) |
| OKLCH | oklch(25.3% 0.069 270.3) |
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 #161F43 | 16.01:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #161F43 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #161F43 text on white | 16.01:1 | AAA | Lc 102.8 | Preferred for body text |
| #161F43 text on black | 1.31:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400
#829BF2
oklch(70.7% 0.131 270.6)
-
Step 500
500
#6480ED
oklch(63.2% 0.166 270.2)
-
Step 600
600
#4D66DB
oklch(55.6% 0.18 270.4)
-
Step 700
700
#3E54BE
oklch(49% 0.168 270.2)
-
Step 800
800
#33459A
oklch(42.6% 0.14 270.4)
-
Step 900
900
#2C3B7A
oklch(37.6% 0.108 270.4)
-
Step 950
950 (this color)
#161F43
oklch(25.3% 0.069 270.3)
#161F43 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) | #0D2444 | 0.018 |
| Deuteranopia (no green cones) | #062042 | 0.019 |
| Tritanopia (no blue cones) | #00272D | 0.060 |
| Achromatopsia (no color) | #212121 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161F43
#161F43
oklch(25.3% 0.069 270.3)
- #2C2100
#2C2100
oklch(25.4% 0.052 90.4)
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 #161F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.032
- Dark #1B2431 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.051
- Navy Blue #001146 ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.060
- Jet #212529 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.061
- Marine #042E60 ΔE 0.065
Use #161F43 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.