#20304A
Closest named color: Space Cadet (#2B2D42). oklch(30.8% 0.052 259.8), rgb(32, 48, 74).
Aa
White text reads best on this color (13.26:1).
About this color
#20304A is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.052 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.021 away. White text reads best on it, at 13.26:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #20304A |
| RGB | rgb(32, 48, 74) |
| HSL | hsl(217, 40%, 21%) |
| OKLCH | oklch(30.8% 0.052 259.8) |
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 #20304A | 13.26:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #20304A | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #20304A text on white | 13.26:1 | AAA | Lc 99.6 | Preferred for body text |
| #20304A text on black | 1.58:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF0
oklch(88.5% 0.034 259.4)
-
Step 300
300
#AAC2E9
oklch(80.9% 0.061 260.1)
-
Step 400
400
#7CA2DE
oklch(70.8% 0.098 259.3)
-
Step 500
500
#5B89D5
oklch(63.1% 0.126 260)
-
Step 600
600
#4071C2
oklch(55.5% 0.137 259.9)
-
Step 700
700
#325FA8
oklch(49.2% 0.127 259.6)
-
Step 800
800
#2A4E88
oklch(42.8% 0.105 259.5)
-
Step 900
900
#26416D
oklch(37.7% 0.083 259.7)
-
Step 950
950 (this color)
#20304A
oklch(30.8% 0.052 259.8)
#20304A 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) | #26324B | 0.011 |
| Deuteranopia (no green cones) | #212E49 | 0.006 |
| Tritanopia (no blue cones) | #0C3639 | 0.047 |
| Achromatopsia (no color) | #303030 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20304A
#20304A
oklch(30.8% 0.052 259.8)
- #3E2D0D
#3E2D0D
oklch(31% 0.053 80.3)
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 #20304A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.021
- Gunmetal #293241 ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.039
- Oxford Blue #1B263B ΔE 0.040
- Marine #042E60 ΔE 0.048
- Onyx #343A40 ΔE 0.054
Use #20304A 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.