#2528BC#2528BC

#2528BC is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.3% C 0.220 H 270.1°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2528BC
RGB	rgb(37, 40, 188)
HSL	hsl(239, 67%, 44%)
HSV	hsv(239, 80%, 74%)
CMYK	cmyk(80.3%, 78.7%, 0%, 26.3%)
CIE-LAB	lab(28.22, 50.03, -76.05)
CIE-LCH	lch(28.22, 91.03, 303.34°)
OKLab	oklab(40.27% 0.0005 -0.2202)
OKLCH	oklch(40.27% 0.22 270.1)
XYZ	xyz(10.5958, 5.5405, 48.0782)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528BC #BCB925

analogous

#2574BC #2528BC #6E25BC

triadic

#2528BC #BC2528 #28BC25

tetradic

#2528BC #BC2574 #BCB925 #25BC6E

square

#2528BC #BC2574 #BCB925 #25BC6E

split-complementary

#2528BC #BC6E25 #74BC25

monochromatic

#111256 #1B1D89 #2528BC #4447DA #7779E4

Accessibility & contrast

On white

9.96

#2528BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2528BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528BC

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528BC	#FFFFFF	#000000	##FFFFFF
##2528BC	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC0

Deuteranopia (green-blind)

#003BB9

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2528bc;
/* rgb */ color: rgb(37, 40, 188);
/* oklch */ color: oklch(40.3% 0.220 270.1);

Tailwind

colors: {
  custom: {
    50: '#7c65d2',
    500: '#2528bc',
    950: '#000000',
  },
}

SCSS

$custom: #2528bc;
$custom-light: #7c65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2528bc",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 188
  },
  "hsl": {
    "h": 238.808,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.40272,
    "c": 0.22025,
    "h": 270.1
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#2528BC

secondary

#CCCA71

accent

#E73EEA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2528BC

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

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