#2A2C68
Closest named color: Marine (#042E60). oklch(32.8% 0.103 277.7), rgb(42, 44, 104).
Aa
White text reads best on this color (12.66:1).
About this color
#2A2C68 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.103 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.043 away. White text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #2A2C68 |
| RGB | rgb(42, 44, 104) |
| HSL | hsl(238, 42%, 29%) |
| OKLCH | oklch(32.8% 0.103 277.7) |
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 #2A2C68 | 12.66:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2A2C68 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #2A2C68 text on white | 12.66:1 | AAA | Lc 98.4 | Preferred for body text |
| #2A2C68 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 900.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B4BCF3
oklch(80.8% 0.078 278.1)
-
Step 400
400
#8E98ED
oklch(70.7% 0.124 277.6)
-
Step 500
500
#747CE7
oklch(63% 0.159 277.6)
-
Step 600
600
#5F63D5
oklch(55.7% 0.172 277.7)
-
Step 700
700
#4E51B8
oklch(49% 0.159 277.5)
-
Step 800
800
#404395
oklch(42.7% 0.132 277.7)
-
Step 900
900 (this color)
#2A2C68
oklch(32.8% 0.103 277.7)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#2A2C68 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) | #06356A | 0.040 |
| Deuteranopia (no green cones) | #003067 | 0.042 |
| Tritanopia (no blue cones) | #083A45 | 0.090 |
| Achromatopsia (no color) | #333333 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2C68
#2A2C68
oklch(32.8% 0.103 277.7)
- #3E3500
#3E3500
oklch(32.9% 0.068 98.7)
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 #2A2C68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.046
- Marine Blue #01386A ΔE 0.046
- Midnight Blue #191970 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.069
- Twilight Blue #0A437A ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.074
- Gunmetal #293241 ΔE 0.076
Use #2A2C68 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.