#2377A9#2377A9

#2377A9 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.4% C 0.110 H 240.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2377A9
RGB	rgb(35, 119, 169)
HSL	hsl(202, 66%, 40%)
HSV	hsv(202, 79%, 66%)
CMYK	cmyk(79.3%, 29.6%, 0%, 33.7%)
CIE-LAB	lab(47.51, -6.91, -33.66)
CIE-LCH	lch(47.51, 34.36, 258.39°)
OKLab	oklab(54.4% -0.0548 -0.0953)
OKLCH	oklch(54.4% 0.11 240.1)
XYZ	xyz(14.4486, 16.4138, 39.9351)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2377A9 #A95523

analogous

#23A998 #2377A9 #2334A9

triadic

#2377A9 #A92377 #77A923

tetradic

#2377A9 #9823A9 #A95523 #34A923

square

#2377A9 #9823A9 #A95523 #34A923

split-complementary

#2377A9 #A92334 #A99823

monochromatic

#0E3044 #195376 #2377A9 #3499D5 #67B3DF

Accessibility & contrast

On white

4.90

#2377A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#2377A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2377A9

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2377A9	#FFFFFF	#000000	##FFFFFF
##2377A9	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F78AB

Deuteranopia (green-blind)

#4D6BA8

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2377a9;
/* rgb */ color: rgb(35, 119, 169);
/* oklch */ color: oklch(54.4% 0.110 240.1);

Tailwind

colors: {
  custom: {
    50: '#739ec3',
    500: '#2377a9',
    950: '#000000',
  },
}

SCSS

$custom: #2377a9;
$custom-light: #739ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2377a9",
  "rgb": {
    "r": 35,
    "g": 119,
    "b": 169
  },
  "hsl": {
    "h": 202.388,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.54398,
    "c": 0.10992,
    "h": 240.1
  },
  "luminance": 0.16416
}

Semantic roles & 50–950 ramp

primary

#2377A9

secondary

#C58763

accent

#7E3FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2377A9

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

Preview Lab → · Contrast checker → · Palette generator →