#23384A
Closest named color: Dark Blue Grey (#1F3B4D). oklch(33.1% 0.042 245.4), rgb(35, 56, 74).
Aa
White text reads best on this color (12.09:1).
About this color
#23384A is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.042 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.010 away. White text reads best on it, at 12.09:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.73:1 |
| White text | 12.09:1 |
Values
| HEX | #23384A |
| RGB | rgb(35, 56, 74) |
| HSL | hsl(208, 36%, 21%) |
| OKLCH | oklch(33.1% 0.042 245.4) |
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 #23384A | 12.09:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #23384A | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #23384A text on white | 12.09:1 | AAA | Lc 97.6 | Preferred for body text |
| #23384A text on black | 1.73:1 | 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
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B1C3D4
oklch(80.9% 0.031 246.7)
-
Step 400
400
#87A4BE
oklch(70.6% 0.05 245.6)
-
Step 500
500
#698EAE
oklch(63.1% 0.064 245.1)
-
Step 600
600
#50789A
oklch(55.7% 0.07 245.1)
-
Step 700
700
#406583
oklch(49.2% 0.064 244.1)
-
Step 800
800
#35526B
oklch(42.7% 0.054 245.5)
-
Step 900
900 (this color)
#23384A
oklch(33.1% 0.042 245.4)
-
Step 950
950
#1C2833
oklch(27.1% 0.026 246.6)
#23384A 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) | #31384B | 0.020 |
| Deuteranopia (no green cones) | #2B344A | 0.016 |
| Tritanopia (no blue cones) | #113C3E | 0.035 |
| Achromatopsia (no color) | #363636 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23384A
#23384A
oklch(33.1% 0.042 245.4)
- #45311E
#45311E
oklch(33.1% 0.042 64.1)
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 #23384A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.010
- Gunmetal #293241 ΔE 0.022
- Midnight Green #073B4C ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.029
- Onyx #343A40 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.036
- Charcoal #264653 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.050
Use #23384A 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.