#202F4E
Closest named color: Prussian Blue (#1D3557). oklch(30.8% 0.06 263.7), rgb(32, 47, 78).
Aa
White text reads best on this color (13.30:1).
About this color
#202F4E is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.060 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.022 away. White text reads best on it, at 13.30:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.57:1 |
| White text | 13.30:1 |
Values
| HEX | #202F4E |
| RGB | rgb(32, 47, 78) |
| HSL | hsl(220, 42%, 22%) |
| OKLCH | oklch(30.8% 0.06 263.7) |
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 #202F4E | 13.30:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #202F4E | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #202F4E text on white | 13.30:1 | AAA | Lc 99.6 | Preferred for body text |
| #202F4E text on black | 1.57:1 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF4
oklch(88.6% 0.039 262.9)
-
Step 300
300
#A9C1EF
oklch(80.9% 0.07 263.3)
-
Step 400
400
#7C9FE7
oklch(70.6% 0.113 263.9)
-
Step 500
500
#5B86E0
oklch(63.1% 0.144 263.5)
-
Step 600
600
#426ECE
oklch(55.7% 0.156 263.6)
-
Step 700
700
#345BB2
oklch(49.1% 0.145 263.7)
-
Step 800
800
#2B4B90
oklch(42.7% 0.12 263.5)
-
Step 900
900
#273F73
oklch(37.7% 0.094 263.8)
-
Step 950
950 (this color)
#202F4E
oklch(30.8% 0.06 263.7)
#202F4E 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) | #23324F | 0.011 |
| Deuteranopia (no green cones) | #1D2D4D | 0.008 |
| Tritanopia (no blue cones) | #08363A | 0.055 |
| Achromatopsia (no color) | #2F2F2F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #202F4E
#202F4E
oklch(30.8% 0.06 263.7)
- #3E2D04
#3E2D04
oklch(30.9% 0.06 84.4)
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 #202F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.026
- Gunmetal #293241 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.040
- Marine #042E60 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.043
- Midnight Green #073B4C ΔE 0.044
- Marine Blue #01386A ΔE 0.054
Use #202F4E 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.