#1C2953
Closest named color: Marine (#042E60). oklch(29.4% 0.078 268.4), rgb(28, 41, 83).
Aa
White text reads best on this color (14.08:1).
About this color
#1C2953 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.078 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.031 away. White text reads best on it, at 14.08:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.49:1 |
| White text | 14.08:1 |
Values
| HEX | #1C2953 |
| RGB | rgb(28, 41, 83) |
| HSL | hsl(226, 50%, 22%) |
| OKLCH | oklch(29.4% 0.078 268.4) |
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 #1C2953 | 14.08:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #1C2953 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1C2953 text on white | 14.08:1 | AAA | Lc 100.6 | Preferred for body text |
| #1C2953 text on black | 1.49:1 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A7BFFD
oklch(80.9% 0.092 268)
-
Step 400
400
#7A9BFD
oklch(70.8% 0.148 268.4)
-
Step 500
500
#5A7EFA
oklch(63.1% 0.189 268.4)
-
Step 600
600
#4263E9
oklch(55.5% 0.206 268.3)
-
Step 700
700
#3551CB
oklch(49.1% 0.191 268.4)
-
Step 800
800
#2C43A4
oklch(42.6% 0.159 268.6)
-
Step 900
900
#273A82
oklch(37.7% 0.123 268.7)
-
Step 950
950 (this color)
#1C2953
oklch(29.4% 0.078 268.4)
#1C2953 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) | #152E55 | 0.016 |
| Deuteranopia (no green cones) | #0C2952 | 0.018 |
| Tritanopia (no blue cones) | #00323A | 0.066 |
| Achromatopsia (no color) | #2B2B2B | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C2953
#1C2953
oklch(29.4% 0.078 268.4)
- #392A00
#392A00
oklch(29.4% 0.06 87.6)
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 #1C2953, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.044
- Gunmetal #293241 ΔE 0.053
- Marine Blue #01386A ΔE 0.057
- Dark #1B2431 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.063
Use #1C2953 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.