#212661
Closest named color: Marine (#042E60). oklch(30.2% 0.103 274.7), rgb(33, 38, 97).
Aa
White text reads best on this color (13.86:1).
About this color
#212661 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.103 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.033 away. White text reads best on it, at 13.86:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.51:1 |
| White text | 13.86:1 |
Values
| HEX | #212661 |
| RGB | rgb(33, 38, 97) |
| HSL | hsl(235, 49%, 25%) |
| OKLCH | oklch(30.2% 0.103 274.7) |
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 #212661 | 13.86:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #212661 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #212661 text on white | 13.86:1 | AAA | Lc 100.2 | Preferred for body text |
| #212661 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8596FF
oklch(70.6% 0.154 274.8)
-
Step 500
500
#6A78FF
oklch(63.2% 0.198 274.8)
-
Step 600
600
#5353FF
oklch(55.6% 0.247 274.8)
-
Step 700
700
#4438EB
oklch(49.1% 0.253 274.7)
-
Step 800
800
#3731BE
oklch(42.7% 0.21 274.7)
-
Step 900
900
#2E2F95
oklch(37.7% 0.162 274.9)
-
Step 950
950 (this color)
#212661
oklch(30.2% 0.103 274.7)
#212661 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) | #002F63 | 0.036 |
| Deuteranopia (no green cones) | #002A60 | 0.033 |
| Tritanopia (no blue cones) | #00343F | 0.088 |
| Achromatopsia (no color) | #2D2D2D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212661
#212661
oklch(30.2% 0.103 274.7)
- #382E00
#382E00
oklch(30.3% 0.062 96)
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 #212661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.033
- Midnight Blue #191970 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.050
- Marine Blue #01386A ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.071
- Gunmetal #293241 ΔE 0.076
Use #212661 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.