#2637A5#2637A5

#2637A5 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.176 H 269.5°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2637A5
RGB	rgb(38, 55, 165)
HSL	hsl(232, 63%, 40%)
HSV	hsv(232, 77%, 65%)
CMYK	cmyk(77%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.06, 33.30, -60.93)
CIE-LCH	lch(29.06, 69.44, 298.66°)
OKLab	oklab(40.17% -0.0017 -0.1763)
OKLCH	oklch(40.17% 0.176 269.5)
XYZ	xyz(8.9547, 5.8601, 36.2492)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2637A5 #A59426

analogous

#2676A5 #2637A5 #5526A5

triadic

#2637A5 #A52637 #37A526

tetradic

#2637A5 #A52676 #A59426 #26A555

square

#2637A5 #A52676 #A59426 #26A555

split-complementary

#2637A5 #A55526 #76A526

monochromatic

#0F1642 #1B2673 #2637A5 #374CD1 #6978DC

Accessibility & contrast

On white

9.67

#2637A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2637A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637A5

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2637A5	#FFFFFF	#000000	##FFFFFF
##2637A5	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2637a5;
/* rgb */ color: rgb(38, 55, 165);
/* oklch */ color: oklch(40.2% 0.176 269.5);

Tailwind

colors: {
  custom: {
    50: '#756ec1',
    500: '#2637a5',
    950: '#000000',
  },
}

SCSS

$custom: #2637a5;
$custom-light: #756ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2637a5",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 231.969,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40172,
    "c": 0.17631,
    "h": 269.5
  },
  "luminance": 0.05861
}

Semantic roles & 50–950 ramp

primary

#2637A5

secondary

#C3B664

accent

#D042E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2637A5

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

Preview Lab → · Contrast checker → · Palette generator →