#212549
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.066 276.5), rgb(33, 37, 73).
Aa
White text reads best on this color (14.73:1).
About this color
#212549 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.066 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 14.73:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.73:1 |
Values
| HEX | #212549 |
| RGB | rgb(33, 37, 73) |
| HSL | hsl(234, 38%, 21%) |
| OKLCH | oklch(28.1% 0.066 276.5) |
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 #212549 | 14.73:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #212549 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #212549 text on white | 14.73:1 | AAA | Lc 101.5 | Preferred for body text |
| #212549 text on black | 1.42:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B3BDF3
oklch(80.9% 0.077 276.4)
-
Step 400
400
#8C99EE
oklch(70.8% 0.125 276.1)
-
Step 500
500
#727DE8
oklch(63.2% 0.159 276.4)
-
Step 600
600
#5C63D6
oklch(55.6% 0.174 276.5)
-
Step 700
700
#4C51BA
oklch(49% 0.162 276.5)
-
Step 800
800
#3E4396
oklch(42.6% 0.134 276.5)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950 (this color)
#212549
oklch(28.1% 0.066 276.5)
#212549 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) | #162A4A | 0.020 |
| Deuteranopia (no green cones) | #132748 | 0.020 |
| Tritanopia (no blue cones) | #112D33 | 0.059 |
| Achromatopsia (no color) | #282828 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212549
#212549
oklch(28.1% 0.066 276.5)
- #312900
#312900
oklch(28.1% 0.058 97.8)
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 #212549, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.037
- Dark #1B2431 ΔE 0.047
- Marine #042E60 ΔE 0.051
- Gunmetal #293241 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
- Jet #212529 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.071
Use #212549 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.