#212345
Closest named color: Oxford Blue (#1B263B). oklch(27.3% 0.062 278.9), rgb(33, 35, 69).
Aa
White text reads best on this color (15.09:1).
About this color
#212345 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.062 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 15.09:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.09:1 |
Values
| HEX | #212345 |
| RGB | rgb(33, 35, 69) |
| HSL | hsl(237, 35%, 20%) |
| OKLCH | oklch(27.3% 0.062 278.9) |
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 #212345 | 15.09:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #212345 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #212345 text on white | 15.09:1 | AAA | Lc 101.9 | Preferred for body text |
| #212345 text on black | 1.39:1 | 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
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B6BCF0
oklch(80.8% 0.074 279.5)
-
Step 400
400
#9198E9
oklch(70.7% 0.118 279.1)
-
Step 500
500
#777DE2
oklch(63.1% 0.15 278.6)
-
Step 600
600
#6163D0
oklch(55.5% 0.164 278.8)
-
Step 700
700
#5152B4
oklch(49.1% 0.152 278.8)
-
Step 800
800
#424392
oklch(42.6% 0.127 279)
-
Step 900
900
#373A74
oklch(37.7% 0.097 278.4)
-
Step 950
950 (this color)
#212345
oklch(27.3% 0.062 278.9)
#212345 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) | #162846 | 0.021 |
| Deuteranopia (no green cones) | #132544 | 0.021 |
| Tritanopia (no blue cones) | #142A30 | 0.055 |
| Achromatopsia (no color) | #262626 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212345
#212345
oklch(27.3% 0.062 278.9)
- #2E2700
#2E2700
oklch(27.2% 0.056 98.9)
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 #212345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.040
- Dark #1B2431 ΔE 0.041
- Gunmetal #293241 ΔE 0.055
- Jet #212529 ΔE 0.055
- Marine #042E60 ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.066
Use #212345 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.