#10293D
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.049 245.1), rgb(16, 41, 61).
Aa
White text reads best on this color (14.92:1).
About this color
#10293D is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.049 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.015 away. White text reads best on it, at 14.92:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.92:1 |
Values
| HEX | #10293D |
| RGB | rgb(16, 41, 61) |
| HSL | hsl(207, 58%, 15%) |
| OKLCH | oklch(27.2% 0.049 245.1) |
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 #10293D | 14.92:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #10293D | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #10293D text on white | 14.92:1 | AAA | Lc 101.7 | Preferred for body text |
| #10293D text on black | 1.40:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6EA7D6
oklch(70.7% 0.091 244.5)
-
Step 500
500
#4490CC
oklch(63.2% 0.118 245.1)
-
Step 600
600
#1E79B8
oklch(55.6% 0.127 244.8)
-
Step 700
700
#0D659F
oklch(49% 0.119 245.4)
-
Step 800
800
#115381
oklch(42.7% 0.099 245.1)
-
Step 900
900
#184567
oklch(37.7% 0.076 244.8)
-
Step 950
950 (this color)
#10293D
oklch(27.2% 0.049 245.1)
#10293D 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) | #20293E | 0.021 |
| Deuteranopia (no green cones) | #1A253D | 0.017 |
| Tritanopia (no blue cones) | #002E30 | 0.037 |
| Achromatopsia (no color) | #272727 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10293D
#10293D
oklch(27.2% 0.049 245.1)
- #37210A
#37210A
oklch(27.1% 0.049 64.1)
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 #10293D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.015
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.043
- Gunmetal #293241 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.060
- Midnight Green #073B4C ΔE 0.061
Use #10293D 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.