#212972
Closest named color: Midnight Blue (#191970). oklch(32.4% 0.125 272.5), rgb(33, 41, 114).
Aa
White text reads best on this color (12.92:1).
About this color
#212972 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.125 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.041 away. White text reads best on it, at 12.92:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #212972 |
| RGB | rgb(33, 41, 114) |
| HSL | hsl(234, 55%, 29%) |
| OKLCH | oklch(32.4% 0.125 272.5) |
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 #212972 | 12.92:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #212972 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #212972 text on white | 12.92:1 | AAA | Lc 98.7 | Preferred for body text |
| #212972 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FC
oklch(88.5% 0.051 271.9)
-
Step 300
300
#ACBDFE
oklch(80.9% 0.094 272.8)
-
Step 400
400
#8298FD
oklch(70.7% 0.15 272.8)
-
Step 500
500
#657BFB
oklch(63.2% 0.191 272.5)
-
Step 600
600
#4F5FEA
oklch(55.5% 0.208 272.6)
-
Step 700
700
#414ECC
oklch(49.2% 0.193 272.6)
-
Step 800
800
#3541A5
oklch(42.8% 0.16 272.5)
-
Step 900
900 (this color)
#212972
oklch(32.4% 0.125 272.5)
-
Step 950
950
#1A224C
oklch(27.1% 0.078 272.1)
#212972 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) | #003574 | 0.037 |
| Deuteranopia (no green cones) | #002E71 | 0.029 |
| Tritanopia (no blue cones) | #003B49 | 0.101 |
| Achromatopsia (no color) | #313131 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212972
#212972
oklch(32.4% 0.125 272.5)
- #403200
#403200
oklch(32.3% 0.066 91.6)
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 #212972, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.041
- Marine #042E60 ΔE 0.044
- Marine Blue #01386A ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.062
- Royal #0C1793 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.071
- Dark Royal Blue #02066F ΔE 0.084
- Deep Blue #040273 ΔE 0.085
Use #212972 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.