#2A304A
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.047 273.5), rgb(42, 48, 74).
Aa
White text reads best on this color (12.96:1).
About this color
#2A304A is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.047 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.015 away. White text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.96:1 |
Values
| HEX | #2A304A |
| RGB | rgb(42, 48, 74) |
| HSL | hsl(229, 28%, 23%) |
| OKLCH | oklch(31.6% 0.047 273.5) |
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 #2A304A | 12.96:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #2A304A | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #2A304A text on white | 12.96:1 | AAA | Lc 99.1 | Preferred for body text |
| #2A304A 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B5BFE6
oklch(81% 0.056 273.8)
-
Step 400
400
#8E9DD9
oklch(70.7% 0.09 273.1)
-
Step 500
500
#7384CF
oklch(63.2% 0.115 273)
-
Step 600
600
#5D6CBC
oklch(55.7% 0.125 273.7)
-
Step 700
700
#4C5AA2
oklch(49.2% 0.116 273.1)
-
Step 800
800
#3F4A83
oklch(42.8% 0.095 273.5)
-
Step 900
900
#353E69
oklch(37.7% 0.074 273.4)
-
Step 950
950 (this color)
#2A304A
oklch(31.6% 0.047 273.5)
#2A304A 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) | #27334B | 0.010 |
| Deuteranopia (no green cones) | #253049 | 0.008 |
| Tritanopia (no blue cones) | #203539 | 0.043 |
| Achromatopsia (no color) | #313131 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A304A
#2A304A
oklch(31.6% 0.047 273.5)
- #3A3113
#3A3113
oklch(31.5% 0.047 92.8)
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 #2A304A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.015
- Gunmetal #293241 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.046
- Onyx #343A40 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.048
- Marine #042E60 ΔE 0.057
Use #2A304A 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.