#212447
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.064 277.6), rgb(33, 36, 71).
Aa
White text reads best on this color (14.91:1).
About this color
#212447 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.064 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.027 away. White text reads best on it, at 14.91:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #212447 |
| RGB | rgb(33, 36, 71) |
| HSL | hsl(235, 37%, 20%) |
| OKLCH | oklch(27.7% 0.064 277.6) |
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 #212447 | 14.91:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #212447 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #212447 text on white | 14.91:1 | AAA | Lc 101.7 | Preferred for body text |
| #212447 text on black | 1.40:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B4BDF2
oklch(81% 0.076 277.1)
-
Step 400
400
#8F98EB
oklch(70.6% 0.121 278.1)
-
Step 500
500
#757DE5
oklch(63.2% 0.154 277.7)
-
Step 600
600
#5F63D3
oklch(55.5% 0.169 277.8)
-
Step 700
700
#4F52B7
oklch(49.2% 0.156 277.7)
-
Step 800
800
#404394
oklch(42.6% 0.13 277.7)
-
Step 900
900
#363A76
oklch(37.8% 0.101 277.5)
-
Step 950
950 (this color)
#212447
oklch(27.7% 0.064 277.6)
#212447 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) | #162948 | 0.020 |
| Deuteranopia (no green cones) | #132646 | 0.020 |
| Tritanopia (no blue cones) | #132B32 | 0.055 |
| Achromatopsia (no color) | #272727 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212447
#212447
oklch(27.7% 0.064 277.6)
- #302800
#302800
oklch(27.7% 0.057 97.6)
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 #212447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.038
- Dark #1B2431 ΔE 0.044
- Gunmetal #293241 ΔE 0.053
- Marine #042E60 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.056
- Jet #212529 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.069
Use #212447 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.