#161F41
Closest named color: Oxford Blue (#1B263B). oklch(25.1% 0.065 270), rgb(22, 31, 65).
Aa
White text reads best on this color (16.07:1).
About this color
#161F41 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.065 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 16.07:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.30:1 |
| White text | 16.07:1 |
Values
| HEX | #161F41 |
| RGB | rgb(22, 31, 65) |
| HSL | hsl(227, 49%, 17%) |
| OKLCH | oklch(25.1% 0.065 270) |
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 #161F41 | 16.07:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #161F41 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #161F41 text on white | 16.07:1 | AAA | Lc 102.9 | Preferred for body text |
| #161F41 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#ADBFF4
oklch(81% 0.078 270)
-
Step 400
400
#839CEE
oklch(70.8% 0.124 270.1)
-
Step 500
500
#6581E8
oklch(63.1% 0.158 270)
-
Step 600
600
#4E68D6
oklch(55.6% 0.171 270)
-
Step 700
700
#3F56BA
oklch(49.2% 0.159 269.9)
-
Step 800
800
#344796
oklch(42.8% 0.131 269.9)
-
Step 900
900
#2D3C78
oklch(37.7% 0.104 270.2)
-
Step 950
950 (this color)
#161F41
oklch(25.1% 0.065 270)
#161F41 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) | #0F2342 | 0.014 |
| Deuteranopia (no green cones) | #091F40 | 0.016 |
| Tritanopia (no blue cones) | #00272C | 0.059 |
| Achromatopsia (no color) | #212121 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161F41
#161F41
oklch(25.1% 0.065 270)
- #2C2000
#2C2000
oklch(25.1% 0.051 88.2)
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 #161F41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Dark #1B2431 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.048
- Navy Blue #001146 ΔE 0.056
- Jet #212529 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.063
- Marine #042E60 ΔE 0.068
Use #161F41 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.