#213153
Closest named color: Prussian Blue (#1D3557). oklch(31.7% 0.065 264), rgb(33, 49, 83).
Aa
White text reads best on this color (12.89:1).
About this color
#213153 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.065 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.013 away. White text reads best on it, at 12.89:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #213153 |
| RGB | rgb(33, 49, 83) |
| HSL | hsl(221, 43%, 23%) |
| OKLCH | oklch(31.7% 0.065 264) |
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 #213153 | 12.89:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #213153 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #213153 text on white | 12.89:1 | AAA | Lc 99.0 | Preferred for body text |
| #213153 text on black | 1.62:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF6
oklch(88.6% 0.042 263)
-
Step 300
300
#A8C1F3
oklch(81% 0.076 264)
-
Step 400
400
#799FED
oklch(70.7% 0.122 263.8)
-
Step 500
500
#5885E7
oklch(63.2% 0.156 263.9)
-
Step 600
600
#3E6CD6
oklch(55.7% 0.171 264)
-
Step 700
700
#3059B9
oklch(49% 0.159 264)
-
Step 800
800
#294A96
oklch(42.8% 0.131 264)
-
Step 900
900
#253E77
oklch(37.6% 0.102 264.3)
-
Step 950
950 (this color)
#213153
oklch(31.7% 0.065 264)
#213153 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) | #233454 | 0.010 |
| Deuteranopia (no green cones) | #1D3052 | 0.007 |
| Tritanopia (no blue cones) | #04383E | 0.057 |
| Achromatopsia (no color) | #323232 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213153
#213153
oklch(31.7% 0.065 264)
- #422F00
#422F00
oklch(31.9% 0.065 84.1)
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 #213153, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.037
- Marine #042E60 ΔE 0.038
- Midnight Green #073B4C ΔE 0.042
- Marine Blue #01386A ΔE 0.046
- Oxford Blue #1B263B ΔE 0.053
Use #213153 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.