#213464
Closest named color: Prussian Blue (#1D3557). oklch(33.7% 0.088 265.7), rgb(33, 52, 100).
Aa
White text reads best on this color (12.06:1).
About this color
#213464 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.088 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.025 away. White text reads best on it, at 12.06:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.73:1 |
| White text | 12.06:1 |
Values
| HEX | #213464 |
| RGB | rgb(33, 52, 100) |
| HSL | hsl(223, 50%, 26%) |
| OKLCH | oklch(33.7% 0.088 265.7) |
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 #213464 | 12.06:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #213464 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #213464 text on white | 12.06:1 | AAA | Lc 97.4 | Preferred for body text |
| #213464 text on black | 1.73:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ACC0EC
oklch(80.8% 0.066 265.8)
-
Step 400
400
#819FE3
oklch(70.7% 0.106 265.6)
-
Step 500
500
#6286DB
oklch(63.2% 0.135 265.4)
-
Step 600
600
#4A6EC8
oklch(55.7% 0.145 265.5)
-
Step 700
700
#3B5BAD
oklch(49.1% 0.136 265.6)
-
Step 800
800
#314B8C
oklch(42.7% 0.112 265.5)
-
Step 900
900 (this color)
#213464
oklch(33.7% 0.088 265.7)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#213464 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) | #1D3966 | 0.015 |
| Deuteranopia (no green cones) | #123363 | 0.017 |
| Tritanopia (no blue cones) | #003F47 | 0.074 |
| Achromatopsia (no color) | #363636 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213464
#213464
oklch(33.7% 0.088 265.7)
- #473400
#473400
oklch(33.7% 0.069 86)
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 #213464, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.025
- Marine Blue #01386A ΔE 0.026
- Marine #042E60 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.051
- Twilight Blue #0A437A ΔE 0.054
- Midnight Green #073B4C ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.061
- Gunmetal #293241 ΔE 0.062
Use #213464 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.