#2E306A
Closest named color: Marine Blue (#01386A). oklch(34.1% 0.099 278.3), rgb(46, 48, 106).
Aa
White text reads best on this color (12.02:1).
About this color
#2E306A is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.099 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.045 away. White text reads best on it, at 12.02:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.74:1 |
| White text | 12.02:1 |
Values
| HEX | #2E306A |
| RGB | rgb(46, 48, 106) |
| HSL | hsl(238, 39%, 30%) |
| OKLCH | oklch(34.1% 0.099 278.3) |
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 #2E306A | 12.02:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #2E306A | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #2E306A text on white | 12.02:1 | AAA | Lc 97.3 | Preferred for body text |
| #2E306A text on black | 1.74:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BCF1
oklch(80.8% 0.075 278.7)
-
Step 400
400
#9098EA
oklch(70.6% 0.12 278.6)
-
Step 500
500
#767DE3
oklch(63.1% 0.152 278.2)
-
Step 600
600
#6064D1
oklch(55.7% 0.165 278)
-
Step 700
700
#5052B5
oklch(49.1% 0.153 278.3)
-
Step 800
800
#414492
oklch(42.7% 0.126 278)
-
Step 900
900 (this color)
#2E306A
oklch(34.1% 0.099 278.3)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#2E306A 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) | #11396C | 0.038 |
| Deuteranopia (no green cones) | #093469 | 0.040 |
| Tritanopia (no blue cones) | #123D48 | 0.086 |
| Achromatopsia (no color) | #363636 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E306A
#2E306A
oklch(34.1% 0.099 278.3)
- #423800
#423800
oklch(34.1% 0.07 98)
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 #2E306A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.045
- Marine #042E60 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.070
- Midnight Blue #191970 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.071
- Gunmetal #293241 ΔE 0.076
Use #2E306A 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.