#2E53CB
Closest named color: Blue Blue (#2242C7). oklch(49.2% 0.191 266.2), rgb(46, 83, 203).
Aa
White text reads best on this color (6.53:1).
About this color
#2E53CB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.191 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.043 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #2E53CB |
| RGB | rgb(46, 83, 203) |
| HSL | hsl(226, 63%, 49%) |
| OKLCH | oklch(49.2% 0.191 266.2) |
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 #2E53CB | 6.53:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #2E53CB | 3.21:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #2E53CB text on white | 6.53:1 | AA | Lc 81.8 | Fine for body text |
| #2E53CB text on black | 3.21:1 | AA large text | Lc -20.1 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A5C0FD
oklch(81% 0.092 265.9)
-
Step 400
400
#759CFC
oklch(70.6% 0.147 266)
-
Step 500
500
#5480FA
oklch(63.2% 0.188 266.2)
-
Step 600
600
#3B65E9
oklch(55.6% 0.205 266.3)
-
Step 700
700 (this color)
#2E53CB
oklch(49.2% 0.191 266.2)
-
Step 800
800
#2645A4
oklch(42.8% 0.158 266.1)
-
Step 900
900
#233B82
oklch(37.7% 0.123 266.4)
-
Step 950
950
#14234C
oklch(26.9% 0.078 266.1)
#2E53CB 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) | #0065CF | 0.045 |
| Deuteranopia (no green cones) | #0056C9 | 0.023 |
| Tritanopia (no blue cones) | #007187 | 0.148 |
| Achromatopsia (no color) | #5E5E5E | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E53CB
#2E53CB
oklch(49.2% 0.191 266.2)
- #7A5C00
#7A5C00
oklch(49.2% 0.101 86.4)
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 #2E53CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.044
- Azul #1D5DEC ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Blurple #5539CC ΔE 0.067
- Royal Blue #4169E1 ΔE 0.068
- Neon Blue #4361EE ΔE 0.069
Use #2E53CB 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.