#203353
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.063 260.3), rgb(32, 51, 83).
Aa
White text reads best on this color (12.65:1).
About this color
#203353 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.063 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.009 away. White text reads best on it, at 12.65:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.65:1 |
Values
| HEX | #203353 |
| RGB | rgb(32, 51, 83) |
| HSL | hsl(218, 44%, 23%) |
| OKLCH | oklch(32.2% 0.063 260.3) |
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 #203353 | 12.65:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #203353 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #203353 text on white | 12.65:1 | AAA | Lc 98.6 | Preferred for body text |
| #203353 text on black | 1.65:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F1
oklch(80.9% 0.074 260)
-
Step 400
400
#75A1EA
oklch(70.7% 0.118 260.2)
-
Step 500
500
#5187E4
oklch(63.1% 0.152 260.6)
-
Step 600
600
#356FD2
oklch(55.6% 0.165 260.4)
-
Step 700
700
#275CB6
oklch(49.1% 0.154 260.3)
-
Step 800
800
#224C93
oklch(42.8% 0.126 260.2)
-
Step 900
900
#204075
oklch(37.7% 0.098 259.9)
-
Step 950
950 (this color)
#203353
oklch(32.2% 0.063 260.3)
#203353 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) | #263654 | 0.013 |
| Deuteranopia (no green cones) | #203152 | 0.006 |
| Tritanopia (no blue cones) | #003A3F | 0.055 |
| Achromatopsia (no color) | #333333 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #203353
#203353
oklch(32.2% 0.063 260.3)
- #442F05
#442F05
oklch(32.2% 0.063 79.6)
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 #203353, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.009
- Dark Blue Grey #1F3B4D ΔE 0.031
- Gunmetal #293241 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.034
- Midnight Green #073B4C ΔE 0.037
- Marine #042E60 ΔE 0.040
- Marine Blue #01386A ΔE 0.044
- Onyx #343A40 ΔE 0.055
Use #203353 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.