#2B637D#2B637D

#2B637D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.4% C 0.072 H 231.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B637D
RGB	rgb(43, 99, 125)
HSL	hsl(199, 49%, 33%)
HSV	hsv(199, 66%, 49%)
CMYK	cmyk(65.6%, 20.8%, 0%, 51%)
CIE-LAB	lab(39.44, -9.74, -20.01)
CIE-LCH	lch(39.44, 22.25, 244.04°)
OKLab	oklab(47.38% -0.0451 -0.056)
OKLCH	oklch(47.38% 0.072 231.1)
XYZ	xyz(9.1583, 10.9170, 21.0226)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B637D #7D452B

analogous

#2B7D6E #2B637D #2B3A7D

triadic

#2B637D #7D2B63 #637D2B

tetradic

#2B637D #6E2B7D #7D452B #3A7D2B

square

#2B637D #6E2B7D #7D452B #3A7D2B

split-complementary

#2B637D #7D2B3A #7D6E2B

monochromatic

#0C1B22 #1B3F4F #2B637D #3B87AB #5CA5C7

Accessibility & contrast

On white

6.60

#2B637D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#2B637D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B637D

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B637D	#FFFFFF	#000000	##FFFFFF
##2B637D	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56627E

Deuteranopia (green-blind)

#4B597D

Tritanopia (blue-blind)

#006A6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b637d;
/* rgb */ color: rgb(43, 99, 125);
/* oklch */ color: oklch(47.4% 0.072 231.1);

Tailwind

colors: {
  custom: {
    50: '#6e8fa2',
    500: '#2b637d',
    950: '#000000',
  },
}

SCSS

$custom: #2b637d;
$custom-light: #6e8fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b637d",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 199.024,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4738,
    "c": 0.0719,
    "h": 231.1
  },
  "luminance": 0.10918
}

Semantic roles & 50–950 ramp

primary

#2B637D

secondary

#AD7257

accent

#7B4FD8

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #2B637D

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

Preview Lab → · Contrast checker → · Palette generator →