#23274D
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.069 276.7), rgb(35, 39, 77).
Aa
White text reads best on this color (14.29:1).
About this color
#23274D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.069 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.034 away. White text reads best on it, at 14.29:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.29:1 |
Values
| HEX | #23274D |
| RGB | rgb(35, 39, 77) |
| HSL | hsl(234, 37%, 22%) |
| OKLCH | oklch(29% 0.069 276.7) |
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 #23274D | 14.29:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #23274D | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #23274D text on white | 14.29:1 | AAA | Lc 100.9 | Preferred for body text |
| #23274D 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B2BCF6
oklch(80.8% 0.083 276.8)
-
Step 400
400
#8C98F1
oklch(70.7% 0.13 276.7)
-
Step 500
500
#727CEC
oklch(63.2% 0.166 276.7)
-
Step 600
600
#5C62DA
oklch(55.7% 0.18 276.7)
-
Step 700
700
#4C50BD
oklch(49.1% 0.168 276.7)
-
Step 800
800
#3E4299
oklch(42.6% 0.14 276.7)
-
Step 900
900
#34397A
oklch(37.7% 0.109 276.5)
-
Step 950
950 (this color)
#23274D
oklch(29% 0.069 276.7)
#23274D 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) | #172C4E | 0.021 |
| Deuteranopia (no green cones) | #13294C | 0.022 |
| Tritanopia (no blue cones) | #122F36 | 0.060 |
| Achromatopsia (no color) | #2A2A2A | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23274D
#23274D
oklch(29% 0.069 276.7)
- #342B00
#342B00
oklch(29% 0.06 96.7)
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 #23274D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.044
- Marine #042E60 ΔE 0.046
- Gunmetal #293241 ΔE 0.048
- Dark #1B2431 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.065
- Jet #212529 ΔE 0.067
Use #23274D 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.