#2E4182
Closest named color: Cobalt (#1E488F). oklch(39.6% 0.112 268.6), rgb(46, 65, 130).
Aa
White text reads best on this color (9.56:1).
About this color
#2E4182 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.112 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.029 away. White text reads best on it, at 9.56:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #2E4182 |
| RGB | rgb(46, 65, 130) |
| HSL | hsl(226, 48%, 35%) |
| OKLCH | oklch(39.6% 0.112 268.6) |
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 #2E4182 | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #2E4182 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #2E4182 text on white | 9.56:1 | AAA | Lc 91.9 | Preferred for body text |
| #2E4182 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#AABFF8
oklch(80.9% 0.084 268.8)
-
Step 400
400
#7E9CF4
oklch(70.8% 0.134 268.6)
-
Step 500
500
#5F80F0
oklch(63.1% 0.172 268.8)
-
Step 600
600
#4766DE
oklch(55.5% 0.186 268.7)
-
Step 700
700
#3954C1
oklch(49% 0.173 268.6)
-
Step 800
800
#2F469C
oklch(42.7% 0.143 268.4)
-
Step 900
900 (this color)
#2E4182
oklch(39.6% 0.112 268.6)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#2E4182 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) | #1F4984 | 0.025 |
| Deuteranopia (no green cones) | #0F4281 | 0.028 |
| Tritanopia (no blue cones) | #00505B | 0.095 |
| Achromatopsia (no color) | #454545 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4182
#2E4182
oklch(39.6% 0.112 268.6)
- #584400
#584400
oklch(39.7% 0.081 89.6)
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 #2E4182, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.029
- Twilight Blue #0A437A ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.042
- Light Navy #155084 ΔE 0.045
- Blueberry #464196 ΔE 0.049
- Dusk Blue #26538D ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.058
- Marine Blue #01386A ΔE 0.065
Use #2E4182 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.