#232873
Closest named color: Midnight Blue (#191970). oklch(32.4% 0.127 274), rgb(35, 40, 115).
Aa
White text reads best on this color (12.94:1).
About this color
#232873 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.127 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.040 away. White text reads best on it, at 12.94:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #232873 |
| RGB | rgb(35, 40, 115) |
| HSL | hsl(236, 53%, 29%) |
| OKLCH | oklch(32.4% 0.127 274) |
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 #232873 | 12.94:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #232873 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #232873 text on white | 12.94:1 | AAA | Lc 98.7 | Preferred for body text |
| #232873 text on black | 1.62:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FD
oklch(88.4% 0.053 274.8)
-
Step 300
300
#ADBDFF
oklch(81% 0.095 273.6)
-
Step 400
400
#8497FE
oklch(70.7% 0.152 274)
-
Step 500
500
#6879FD
oklch(63.1% 0.195 273.9)
-
Step 600
600
#535DEC
oklch(55.6% 0.212 274.1)
-
Step 700
700
#444CCD
oklch(49.2% 0.196 273.9)
-
Step 800
800
#373FA6
oklch(42.7% 0.163 273.8)
-
Step 900
900 (this color)
#232873
oklch(32.4% 0.127 274)
-
Step 950
950
#1B214D
oklch(27% 0.081 273.9)
#232873 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) | #003575 | 0.040 |
| Deuteranopia (no green cones) | #002E72 | 0.032 |
| Tritanopia (no blue cones) | #003B49 | 0.104 |
| Achromatopsia (no color) | #313131 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232873
#232873
oklch(32.4% 0.127 274)
- #3F3300
#3F3300
oklch(32.5% 0.067 94.5)
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 #232873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.040
- Marine #042E60 ΔE 0.048
- Marine Blue #01386A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.065
- Royal #0C1793 ΔE 0.069
- Twilight Blue #0A437A ΔE 0.074
- Dark Royal Blue #02066F ΔE 0.085
- Deep Blue #040273 ΔE 0.085
Use #232873 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.