#1C2450
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.081 272.4), rgb(28, 36, 80).
Aa
White text reads best on this color (14.81:1).
About this color
#1C2450 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.081 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.041 away. White text reads best on it, at 14.81:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.81:1 |
Values
| HEX | #1C2450 |
| RGB | rgb(28, 36, 80) |
| HSL | hsl(231, 48%, 21%) |
| OKLCH | oklch(28% 0.081 272.4) |
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 #1C2450 | 14.81:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #1C2450 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #1C2450 text on white | 14.81:1 | AAA | Lc 101.5 | Preferred for body text |
| #1C2450 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#647AFD
oklch(63.1% 0.195 272.4)
-
Step 600
600
#4E5EED
oklch(55.5% 0.213 272.5)
-
Step 700
700
#404DCE
oklch(49.2% 0.197 272.4)
-
Step 800
800
#3440A6
oklch(42.7% 0.163 272.3)
-
Step 900
900
#2C3884
oklch(37.7% 0.128 272.1)
-
Step 950
950 (this color)
#1C2450
oklch(28% 0.081 272.4)
#1C2450 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) | #0D2A52 | 0.023 |
| Deuteranopia (no green cones) | #04254F | 0.026 |
| Tritanopia (no blue cones) | #002E36 | 0.070 |
| Achromatopsia (no color) | #282828 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C2450
#1C2450
oklch(28% 0.081 272.4)
- #332800
#332800
oklch(28.1% 0.058 92.9)
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 #1C2450, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.041
- Marine #042E60 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.053
- Dark #1B2431 ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.063
- Gunmetal #293241 ΔE 0.063
- Midnight Blue #191970 ΔE 0.063
Use #1C2450 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.