#2E4198
Closest named color: Cobalt (#1E488F). oklch(41.3% 0.144 269.7), rgb(46, 65, 152).
Aa
White text reads best on this color (9.02:1).
About this color
#2E4198 is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.144 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #2E4198 |
| RGB | rgb(46, 65, 152) |
| HSL | hsl(229, 54%, 39%) |
| OKLCH | oklch(41.3% 0.144 269.7) |
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 #2E4198 | 9.02:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #2E4198 | 2.32:1 | Fails | Lc 13.6 | Not readable |
| #2E4198 text on white | 9.02:1 | AAA | Lc 90.3 | Preferred for body text |
| #2E4198 text on black | 2.32:1 | Fails | Lc -11.9 | 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 800.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF8
oklch(81% 0.084 269.5)
-
Step 400
400
#809BF4
oklch(70.7% 0.134 269.9)
-
Step 500
500
#617FF0
oklch(63% 0.172 269.7)
-
Step 600
600
#4A66DF
oklch(55.7% 0.187 269.6)
-
Step 700
700
#3C53C1
oklch(49% 0.174 269.9)
-
Step 800
800 (this color)
#2E4198
oklch(41.3% 0.144 269.7)
-
Step 900
900
#2B3B7C
oklch(37.7% 0.112 269.9)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#2E4198 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) | #004E9B | 0.040 |
| Deuteranopia (no green cones) | #004496 | 0.032 |
| Tritanopia (no blue cones) | #005666 | 0.117 |
| Achromatopsia (no color) | #494949 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4198
#2E4198
oklch(41.3% 0.144 269.7)
- #5D4800
#5D4800
oklch(41.2% 0.084 89.5)
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 #2E4198, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Blueberry #464196 ΔE 0.034
- Sapphire #2138AB ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk Blue #26538D ΔE 0.054
- Light Navy #155084 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Twilight #4E518B ΔE 0.071
Use #2E4198 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.