#23364A
Closest named color: Dark Blue Grey (#1F3B4D). oklch(32.6% 0.043 250.5), rgb(35, 54, 74).
Aa
White text reads best on this color (12.36:1).
About this color
#23364A is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.043 and its hue 251°. 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 12.36:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #23364A |
| RGB | rgb(35, 54, 74) |
| HSL | hsl(211, 36%, 21%) |
| OKLCH | oklch(32.6% 0.043 250.5) |
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 #23364A | 12.36:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #23364A | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #23364A text on white | 12.36:1 | AAA | Lc 98.1 | Preferred for body text |
| #23364A text on black | 1.69:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B1C3D5
oklch(80.9% 0.032 248.2)
-
Step 400
400
#89A4C1
oklch(70.8% 0.052 250.4)
-
Step 500
500
#6B8DB1
oklch(63.2% 0.067 250.3)
-
Step 600
600
#52769D
oklch(55.5% 0.074 251.2)
-
Step 700
700
#436386
oklch(49% 0.068 251.5)
-
Step 800
800
#37516D
oklch(42.6% 0.057 251)
-
Step 900
900 (this color)
#23364A
oklch(32.6% 0.043 250.5)
-
Step 950
950
#1C2834
oklch(27.1% 0.028 248.9)
#23364A 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) | #2E374B | 0.017 |
| Deuteranopia (no green cones) | #29334A | 0.012 |
| Tritanopia (no blue cones) | #123B3D | 0.038 |
| Achromatopsia (no color) | #343434 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23364A
#23364A
oklch(32.6% 0.043 250.5)
- #43301B
#43301B
oklch(32.6% 0.043 68.1)
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 #23364A, 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 0.019
- Prussian Blue #1D3557 ΔE 0.025
- Midnight Green #073B4C ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.030
- Onyx #343A40 ΔE 0.036
- Charcoal #264653 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.056
Use #23364A 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.