#23364D
Closest named color: Dark Blue Grey (#1F3B4D). oklch(32.8% 0.048 253.8), rgb(35, 54, 77).
Aa
White text reads best on this color (12.30:1).
About this color
#23364D is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.048 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.017 away. White text reads best on it, at 12.30:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.70:1 |
| White text | 12.30:1 |
Values
| HEX | #23364D |
| RGB | rgb(35, 54, 77) |
| HSL | hsl(213, 37%, 22%) |
| OKLCH | oklch(32.8% 0.048 253.8) |
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 #23364D | 12.30:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #23364D | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #23364D text on white | 12.30:1 | AAA | Lc 98.0 | Preferred for body text |
| #23364D text on black | 1.70:1 | 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 900.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C2D8
oklch(80.8% 0.036 254.9)
-
Step 400
400
#88A3C4
oklch(70.7% 0.057 253.7)
-
Step 500
500
#6A8CB5
oklch(63.1% 0.073 253.5)
-
Step 600
600
#5276A1
oklch(55.7% 0.079 253.5)
-
Step 700
700
#42638A
oklch(49.2% 0.074 253.3)
-
Step 800
800
#375170
oklch(42.8% 0.061 253.4)
-
Step 900
900 (this color)
#23364D
oklch(32.8% 0.048 253.8)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#23364D 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) | #2D374E | 0.015 |
| Deuteranopia (no green cones) | #28334D | 0.011 |
| Tritanopia (no blue cones) | #103B3E | 0.042 |
| Achromatopsia (no color) | #353535 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23364D
#23364D
oklch(32.8% 0.048 253.8)
- #443117
#443117
oklch(32.9% 0.048 73.4)
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 #23364D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.020
- Gunmetal #293241 ΔE 0.023
- Midnight Green #073B4C ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.031
- Onyx #343A40 ΔE 0.039
- Charcoal #264653 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.054
Use #23364D 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.