#2E4086
Closest named color: Cobalt (#1E488F). oklch(39.7% 0.119 269.5), rgb(46, 64, 134).
Aa
White text reads best on this color (9.57:1).
About this color
#2E4086 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.119 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.027 away. White text reads best on it, at 9.57:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #2E4086 |
| RGB | rgb(46, 64, 134) |
| HSL | hsl(228, 49%, 35%) |
| OKLCH | oklch(39.7% 0.119 269.5) |
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 #2E4086 | 9.57:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #2E4086 | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #2E4086 text on white | 9.57:1 | AAA | Lc 91.9 | Preferred for body text |
| #2E4086 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#A9BFFB
oklch(81% 0.089 268.8)
-
Step 400
400
#7D9BF9
oklch(70.8% 0.142 269.2)
-
Step 500
500
#5E7EF6
oklch(63% 0.182 269.4)
-
Step 600
600
#4764E5
oklch(55.6% 0.198 269.3)
-
Step 700
700
#3952C7
oklch(49.1% 0.184 269.2)
-
Step 800
800
#2F44A1
oklch(42.7% 0.152 269.3)
-
Step 900
900 (this color)
#2E4086
oklch(39.7% 0.119 269.5)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#2E4086 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) | #184989 | 0.029 |
| Deuteranopia (no green cones) | #004185 | 0.035 |
| Tritanopia (no blue cones) | #00505C | 0.100 |
| Achromatopsia (no color) | #454545 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4086
#2E4086
oklch(39.7% 0.119 269.5)
- #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 #2E4086, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Twilight Blue #0A437A ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.044
- Light Navy #155084 ΔE 0.048
- Dusk Blue #26538D ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.062
- Sapphire #2138AB ΔE 0.066
Use #2E4086 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.