#2E5ACF
Closest named color: Warm Blue (#4B57DB). oklch(50.8% 0.188 264.8), rgb(46, 90, 207).
Aa
White text reads best on this color (6.03:1).
About this color
#2E5ACF is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.188 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.036 away. White text reads best on it, at 6.03:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.47:1 |
| White text | 6.03:1 |
Values
| HEX | #2E5ACF |
| RGB | rgb(46, 90, 207) |
| HSL | hsl(224, 64%, 50%) |
| OKLCH | oklch(50.8% 0.188 264.8) |
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 #2E5ACF | 6.03:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #2E5ACF | 3.47:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #2E5ACF text on white | 6.03:1 | AA | Lc 79.6 | Fine for body text |
| #2E5ACF text on black | 3.47:1 | AA large text | Lc -22.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A4C0FC
oklch(80.9% 0.091 265)
-
Step 400
400
#739DFB
oklch(70.7% 0.146 264.7)
-
Step 500
500
#5081F8
oklch(63.1% 0.186 264.8)
-
Step 600
600
#3667E7
oklch(55.6% 0.201 264.7)
-
Step 700
700 (this color)
#2E5ACF
oklch(50.8% 0.188 264.8)
-
Step 800
800
#2346A3
oklch(42.8% 0.156 264.8)
-
Step 900
900
#213C81
oklch(37.7% 0.121 265)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#2E5ACF 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) | #006AD3 | 0.041 |
| Deuteranopia (no green cones) | #005CCD | 0.022 |
| Tritanopia (no blue cones) | #00778C | 0.146 |
| Achromatopsia (no color) | #636363 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5ACF
#2E5ACF
oklch(50.8% 0.188 264.8)
- #816000
#816000
oklch(50.9% 0.104 85)
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 #2E5ACF, closest first.
No curated palette has a color within ΔE 0.04 of #2E5ACF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.036
- Azul #1D5DEC ΔE 0.045
- Royal Blue #4169E1 ΔE 0.052
- Neon Blue #4361EE ΔE 0.056
- Blue Blue #2242C7 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.064
- Iris #6258C4 ΔE 0.065
- Cerulean Blue #056EEE ΔE 0.065
Use #2E5ACF 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.