#2A304F
Closest named color: Space Cadet (#2B2D42). oklch(31.9% 0.056 274.5), rgb(42, 48, 79).
Aa
White text reads best on this color (12.85:1).
About this color
#2A304F is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.056 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 12.85:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.63:1 |
| White text | 12.85:1 |
Values
| HEX | #2A304F |
| RGB | rgb(42, 48, 79) |
| HSL | hsl(230, 31%, 24%) |
| OKLCH | oklch(31.9% 0.056 274.5) |
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 #2A304F | 12.85:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #2A304F | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2A304F text on white | 12.85:1 | AAA | Lc 98.9 | Preferred for body text |
| #2A304F text on black | 1.63:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B3BEEC
oklch(80.9% 0.066 274.3)
-
Step 400
400
#8D9BE3
oklch(70.7% 0.107 274.9)
-
Step 500
500
#7181DB
oklch(63.1% 0.136 274.2)
-
Step 600
600
#5B69C8
oklch(55.7% 0.147 274.3)
-
Step 700
700
#4B57AD
oklch(49.2% 0.136 274.3)
-
Step 800
800
#3D478C
oklch(42.6% 0.114 274.3)
-
Step 900
900
#343C70
oklch(37.6% 0.089 274.7)
-
Step 950
950 (this color)
#2A304F
oklch(31.9% 0.056 274.5)
#2A304F 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) | #253350 | 0.011 |
| Deuteranopia (no green cones) | #22304E | 0.012 |
| Tritanopia (no blue cones) | #1E363B | 0.050 |
| Achromatopsia (no color) | #323232 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A304F
#2A304F
oklch(31.9% 0.056 274.5)
- #3C320C
#3C320C
oklch(32% 0.056 94.1)
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 #2A304F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.024
- Gunmetal #293241 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.038
- Midnight Green #073B4C ΔE 0.048
- Marine #042E60 ΔE 0.051
- Onyx #343A40 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.053
Use #2A304F 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.