#23364C
Closest named color: Dark Blue Grey (#1F3B4D). oklch(32.7% 0.046 252.8), rgb(35, 54, 76).
Aa
White text reads best on this color (12.32:1).
About this color
#23364C is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.046 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.016 away. White text reads best on it, at 12.32:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.70:1 |
| White text | 12.32:1 |
Values
| HEX | #23364C |
| RGB | rgb(35, 54, 76) |
| HSL | hsl(212, 37%, 22%) |
| OKLCH | oklch(32.7% 0.046 252.8) |
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 #23364C | 12.32:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #23364C | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #23364C text on white | 12.32:1 | AAA | Lc 98.0 | Preferred for body text |
| #23364C 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
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400
#88A3C3
oklch(70.6% 0.056 252.9)
-
Step 500
500
#6A8CB4
oklch(63% 0.072 252.9)
-
Step 600
600
#5276A0
oklch(55.6% 0.078 252.9)
-
Step 700
700
#426389
oklch(49.1% 0.072 252.7)
-
Step 800
800
#37516F
oklch(42.8% 0.059 252.7)
-
Step 900
900 (this color)
#23364C
oklch(32.7% 0.046 252.8)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#23364C 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) | #2D374D | 0.015 |
| Deuteranopia (no green cones) | #28334C | 0.011 |
| Tritanopia (no blue cones) | #103B3E | 0.040 |
| Achromatopsia (no color) | #353535 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23364C
#23364C
oklch(32.7% 0.046 252.8)
- #433118
#433118
oklch(32.7% 0.047 74)
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 #23364C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.016
- Gunmetal #293241 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.022
- Midnight Green #073B4C ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.031
- Onyx #343A40 ΔE 0.038
- Charcoal #264653 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.055
Use #23364C 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.