#2539A2#2539A2

#2539A2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.170 H 268.8°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2539A2
RGB	rgb(37, 57, 162)
HSL	hsl(230, 63%, 39%)
HSV	hsv(230, 77%, 64%)
CMYK	cmyk(77.2%, 64.8%, 0%, 36.5%)
CIE-LAB	lab(29.23, 30.78, -58.84)
CIE-LCH	lch(29.23, 66.40, 297.61°)
OKLab	oklab(40.2% -0.0037 -0.1702)
OKLCH	oklch(40.2% 0.17 268.8)
XYZ	xyz(8.7454, 5.9272, 34.8586)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2539A2 #A28E25

analogous

#2578A2 #2539A2 #5025A2

triadic

#2539A2 #A22539 #39A225

tetradic

#2539A2 #A22578 #A28E25 #25A250

square

#2539A2 #A22578 #A28E25 #25A250

split-complementary

#2539A2 #A25025 #78A225

monochromatic

#0E163E #1A2770 #2539A2 #344DD1 #6578DC

Accessibility & contrast

On white

9.61

#2539A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2539A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2539A2

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2539A2	#FFFFFF	#000000	##FFFFFF
##2539A2	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA5

Deuteranopia (green-blind)

#003FA0

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2539a2;
/* rgb */ color: rgb(37, 57, 162);
/* oklch */ color: oklch(40.2% 0.170 268.8);

Tailwind

colors: {
  custom: {
    50: '#746fbe',
    500: '#2539a2',
    950: '#000000',
  },
}

SCSS

$custom: #2539a2;
$custom-light: #746fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2539a2",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 162
  },
  "hsl": {
    "h": 230.4,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.402,
    "c": 0.17022,
    "h": 268.8
  },
  "luminance": 0.05928
}

Semantic roles & 50–950 ramp

primary

#2539A2

secondary

#C2B261

accent

#CC42E6

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2539A2

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

Preview Lab → · Contrast checker → · Palette generator →