#1D263A
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.04 265.3), rgb(29, 38, 58).
Aa
White text reads best on this color (15.10:1).
About this color
#1D263A is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.040 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.003 away. White text reads best on it, at 15.10:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.10:1 |
Values
| HEX | #1D263A |
| RGB | rgb(29, 38, 58) |
| HSL | hsl(221, 33%, 17%) |
| OKLCH | oklch(27% 0.04 265.3) |
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 #1D263A | 15.10:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #1D263A | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #1D263A text on white | 15.10:1 | AAA | Lc 102.0 | Preferred for body text |
| #1D263A text on black | 1.39:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1E0
oklch(81% 0.047 264.9)
-
Step 400
400
#8AA0D0
oklch(70.7% 0.075 265.4)
-
Step 500
500
#6D88C4
oklch(63.1% 0.096 265.2)
-
Step 600
600
#5571B0
oklch(55.5% 0.104 265)
-
Step 700
700
#465F98
oklch(49.2% 0.097 265.1)
-
Step 800
800
#394D7B
oklch(42.6% 0.081 265.3)
-
Step 900
900
#314163
oklch(37.8% 0.062 264.4)
-
Step 950
950 (this color)
#1D263A
oklch(27% 0.04 265.3)
#1D263A 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) | #1F283B | 0.008 |
| Deuteranopia (no green cones) | #1C253A | 0.004 |
| Tritanopia (no blue cones) | #132A2D | 0.035 |
| Achromatopsia (no color) | #262626 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D263A
#1D263A
oklch(27% 0.04 265.3)
- #2F250E
#2F250E
oklch(27% 0.04 86.1)
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 #1D263A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.003
- Dark #1B2431 ΔE 0.018
- Jet #212529 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.036
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.064
- Midnight Green #073B4C ΔE 0.070
Use #1D263A 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.