#2529B0#2529B0

#2529B0 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.1% C 0.205 H 270.7°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2529B0
RGB	rgb(37, 41, 176)
HSL	hsl(238, 65%, 42%)
HSV	hsv(238, 79%, 69%)
CMYK	cmyk(79%, 76.7%, 0%, 31%)
CIE-LAB	lab(27.05, 45.56, -70.85)
CIE-LCH	lch(27.05, 84.23, 302.75°)
OKLab	oklab(39.05% 0.0024 -0.2052)
OKLCH	oklch(39.05% 0.205 270.7)
XYZ	xyz(9.3897, 5.1127, 41.5579)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2529B0 #B0AC25

analogous

#256FB0 #2529B0 #6625B0

triadic

#2529B0 #B02529 #29B025

tetradic

#2529B0 #B0256F #B0AC25 #25B066

square

#2529B0 #B0256F #B0AC25 #25B066

split-complementary

#2529B0 #B06625 #6FB025

monochromatic

#10114B #1A1D7D #2529B0 #3C41D6 #6F72E1

Accessibility & contrast

On white

10.38

#2529B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2529B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2529B0

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2529B0	#FFFFFF	#000000	##FFFFFF
##2529B0	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#0039AE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2529b0;
/* rgb */ color: rgb(37, 41, 176);
/* oklch */ color: oklch(39.1% 0.205 270.7);

Tailwind

colors: {
  custom: {
    50: '#7965c9',
    500: '#2529b0',
    950: '#000000',
  },
}

SCSS

$custom: #2529b0;
$custom-light: #7965c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2529b0",
  "rgb": {
    "r": 37,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 238.273,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39054,
    "c": 0.20517,
    "h": 270.7
  },
  "luminance": 0.05114
}

Semantic roles & 50–950 ramp

primary

#2529B0

secondary

#C7C56A

accent

#E340E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2529B0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →