#2377A8#2377A8

#2377A8 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.3% C 0.109 H 239.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2377A8
RGB	rgb(35, 119, 168)
HSL	hsl(202, 66%, 40%)
HSV	hsv(202, 79%, 66%)
CMYK	cmyk(79.2%, 29.2%, 0%, 34.1%)
CIE-LAB	lab(47.46, -7.28, -33.15)
CIE-LCH	lch(47.46, 33.94, 257.61°)
OKLab	oklab(54.34% -0.0551 -0.0938)
OKLCH	oklch(54.34% 0.109 239.6)
XYZ	xyz(14.3551, 16.3764, 39.4426)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2377A8 #A85423

analogous

#23A896 #2377A8 #2335A8

triadic

#2377A8 #A82377 #77A823

tetradic

#2377A8 #9623A8 #A85423 #35A823

square

#2377A8 #9623A8 #A85423 #35A823

split-complementary

#2377A8 #A82335 #A89623

monochromatic

#0E2F43 #185375 #2377A8 #3499D5 #66B3DF

Accessibility & contrast

On white

4.91

#2377A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#2377A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2377A8

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2377A8	#FFFFFF	#000000	##FFFFFF
##2377A8	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6077AA

Deuteranopia (green-blind)

#4E6BA7

Tritanopia (blue-blind)

#008388

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2377a8;
/* rgb */ color: rgb(35, 119, 168);
/* oklch */ color: oklch(54.3% 0.109 239.6);

Tailwind

colors: {
  custom: {
    50: '#739ec2',
    500: '#2377a8',
    950: '#000000',
  },
}

SCSS

$custom: #2377a8;
$custom-light: #739ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2377a8",
  "rgb": {
    "r": 35,
    "g": 119,
    "b": 168
  },
  "hsl": {
    "h": 202.105,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.54344,
    "c": 0.10881,
    "h": 239.6
  },
  "luminance": 0.16378
}

Semantic roles & 50–950 ramp

primary

#2377A8

secondary

#C58662

accent

#7E3FE8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2377A8

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

Preview Lab → · Contrast checker → · Palette generator →