#212945
Closest named color: Oxford Blue (#1B263B). oklch(28.8% 0.053 270.7), rgb(33, 41, 69).
Aa
White text reads best on this color (14.30:1).
About this color
#212945 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.053 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.30:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.30:1 |
Values
| HEX | #212945 |
| RGB | rgb(33, 41, 69) |
| HSL | hsl(227, 35%, 20%) |
| OKLCH | oklch(28.8% 0.053 270.7) |
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 #212945 | 14.30:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #212945 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #212945 text on white | 14.30:1 | AAA | Lc 101.0 | Preferred for body text |
| #212945 text on black | 1.46:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#899DDF
oklch(70.6% 0.1 270.8)
-
Step 500
500
#6D84D6
oklch(63.2% 0.126 270.6)
-
Step 600
600
#566CC4
oklch(55.7% 0.138 270.8)
-
Step 700
700
#4659A9
oklch(49% 0.129 270.9)
-
Step 800
800
#3A4989
oklch(42.6% 0.107 271.3)
-
Step 900
900
#313E6E
oklch(37.7% 0.084 270.5)
-
Step 950
950 (this color)
#212945
oklch(28.8% 0.053 270.7)
#212945 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) | #1F2C46 | 0.010 |
| Deuteranopia (no green cones) | #1B2944 | 0.009 |
| Tritanopia (no blue cones) | #142F33 | 0.048 |
| Achromatopsia (no color) | #2A2A2A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212945
#212945
oklch(28.8% 0.053 270.7)
- #352906
#352906
oklch(28.7% 0.053 89.2)
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 #212945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.024
- Gunmetal #293241 ΔE 0.036
- Dark #1B2431 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.045
- Jet #212529 ΔE 0.051
- Marine #042E60 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.058
Use #212945 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.