#213968
Closest named color: Marine Blue (#01386A). oklch(35.1% 0.087 262.4), rgb(33, 57, 104).
Aa
White text reads best on this color (11.35:1).
About this color
#213968 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.087 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.025 away. White text reads best on it, at 11.35:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.84:1 |
| White text | 11.35:1 |
Values
| HEX | #213968 |
| RGB | rgb(33, 57, 104) |
| HSL | hsl(220, 52%, 27%) |
| OKLCH | oklch(35.1% 0.087 262.4) |
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 #213968 | 11.35:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #213968 | 1.84:1 | Fails | Lc 7.9 | Not readable |
| #213968 text on white | 11.35:1 | AAA | Lc 96.0 | Preferred for body text |
| #213968 text on black | 1.84:1 | 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 900.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#AAC1EC
oklch(80.8% 0.066 262.8)
-
Step 400
400
#7DA0E2
oklch(70.6% 0.105 262.6)
-
Step 500
500
#5C87DA
oklch(63% 0.134 262.5)
-
Step 600
600
#436FC8
oklch(55.6% 0.147 262.8)
-
Step 700
700
#355DAD
oklch(49.2% 0.136 262.5)
-
Step 800
800
#2C4C8C
oklch(42.7% 0.113 262.6)
-
Step 900
900 (this color)
#213968
oklch(35.1% 0.087 262.4)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#213968 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) | #233E6A | 0.016 |
| Deuteranopia (no green cones) | #183767 | 0.012 |
| Tritanopia (no blue cones) | #00444B | 0.073 |
| Achromatopsia (no color) | #3A3A3A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213968
#213968
oklch(35.1% 0.087 262.4)
- #4D3600
#4D3600
oklch(35% 0.072 82.1)
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 #213968, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.025
- Prussian Blue #1D3557 ΔE 0.032
- Twilight Blue #0A437A ΔE 0.040
- Marine #042E60 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.053
- Midnight Green #073B4C ΔE 0.058
- Charcoal #264653 ΔE 0.063
Use #213968 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.