#18294C
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.068 263.2), rgb(24, 41, 76).
Aa
White text reads best on this color (14.37:1).
About this color
#18294C is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.068 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 14.37:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.37:1 |
Values
| HEX | #18294C |
| RGB | rgb(24, 41, 76) |
| HSL | hsl(220, 52%, 20%) |
| OKLCH | oklch(28.6% 0.068 263.2) |
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 #18294C | 14.37:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #18294C | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #18294C text on white | 14.37:1 | AAA | Lc 101.0 | Preferred for body text |
| #18294C text on black | 1.46:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#769FF1
oklch(70.7% 0.129 263.3)
-
Step 500
500
#5384EC
oklch(63% 0.165 263.4)
-
Step 600
600
#386BDB
oklch(55.6% 0.18 263.3)
-
Step 700
700
#2B59BE
oklch(49.2% 0.167 263.2)
-
Step 800
800
#244999
oklch(42.6% 0.138 263.1)
-
Step 900
900
#223E7A
oklch(37.7% 0.108 263.3)
-
Step 950
950 (this color)
#18294C
oklch(28.6% 0.068 263.2)
#18294C 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) | #192C4D | 0.010 |
| Deuteranopia (no green cones) | #12284B | 0.008 |
| Tritanopia (no blue cones) | #003136 | 0.059 |
| Achromatopsia (no color) | #2A2A2A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18294C
#18294C
oklch(28.6% 0.068 263.2)
- #382700
#382700
oklch(28.5% 0.059 83.4)
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 #18294C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.038
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Dark #1B2431 ΔE 0.050
- Midnight Green #073B4C ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.062
Use #18294C 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.