#18264A
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.069 266), rgb(24, 38, 74).
Aa
White text reads best on this color (14.84:1).
About this color
#18264A is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.069 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.84:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #18264A |
| RGB | rgb(24, 38, 74) |
| HSL | hsl(223, 51%, 19%) |
| OKLCH | oklch(27.7% 0.069 266) |
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 #18264A | 14.84:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #18264A | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #18264A text on white | 14.84:1 | AAA | Lc 101.6 | Preferred for body text |
| #18264A text on black | 1.41:1 | 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
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A8C0F7
oklch(80.9% 0.083 266.3)
-
Step 400
400
#7A9DF2
oklch(70.6% 0.131 266.1)
-
Step 500
500
#5982EE
oklch(63% 0.168 266.1)
-
Step 600
600
#4069DC
oklch(55.6% 0.182 265.9)
-
Step 700
700
#3357BF
oklch(49.2% 0.169 265.9)
-
Step 800
800
#2A479B
oklch(42.6% 0.142 266.1)
-
Step 900
900
#263D7B
oklch(37.7% 0.109 266)
-
Step 950
950 (this color)
#18264A
oklch(27.7% 0.069 266)
#18264A 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) | #162A4B | 0.013 |
| Deuteranopia (no green cones) | #0E2549 | 0.013 |
| Tritanopia (no blue cones) | #002E34 | 0.059 |
| Achromatopsia (no color) | #272727 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18264A
#18264A
oklch(27.7% 0.069 266)
- #352600
#352600
oklch(27.9% 0.057 86)
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 #18264A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.043
- Marine #042E60 ΔE 0.045
- Dark #1B2431 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.051
- Gunmetal #293241 ΔE 0.055
- Jet #212529 ΔE 0.062
- Midnight Green #073B4C ΔE 0.069
Use #18264A 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.