#23236A
Closest named color: Midnight Blue (#191970). oklch(30.6% 0.12 276.6), rgb(35, 35, 106).
Aa
White text reads best on this color (13.81:1).
About this color
#23236A is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.120 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.031 away. White text reads best on it, at 13.81:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.51:1 |
| White text | 13.81:1 |
Values
| HEX | #23236A |
| RGB | rgb(35, 35, 106) |
| HSL | hsl(240, 50%, 28%) |
| OKLCH | oklch(30.6% 0.12 276.6) |
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 #23236A | 13.81:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #23236A | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #23236A text on white | 13.81:1 | AAA | Lc 100.0 | Preferred for body text |
| #23236A text on black | 1.51:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CFD7FF
oklch(88.6% 0.056 276.3)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6E76FF
oklch(63.1% 0.2 276.5)
-
Step 600
600
#5851FF
oklch(55.6% 0.248 276.5)
-
Step 700
700
#4B1AFF
oklch(49.1% 0.291 276.5)
-
Step 800
800
#3C1CCF
oklch(42.6% 0.244 276.5)
-
Step 900
900
#3124A3
oklch(37.7% 0.191 276.6)
-
Step 950
950 (this color)
#23236A
oklch(30.6% 0.12 276.6)
#23236A 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) | #00306C | 0.043 |
| Deuteranopia (no green cones) | #002A69 | 0.036 |
| Tritanopia (no blue cones) | #003543 | 0.100 |
| Achromatopsia (no color) | #2D2D2D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23236A
#23236A
oklch(30.6% 0.12 276.6)
- #392F00
#392F00
oklch(30.7% 0.063 96.2)
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 #23236A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.031
- Marine #042E60 ΔE 0.044
- Marine Blue #01386A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.070
- Dark Royal Blue #02066F ΔE 0.075
- Deep Blue #040273 ΔE 0.077
- Royal #0C1793 ΔE 0.078
Use #23236A 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.