#277EA2#277EA2

#277EA2 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.9% C 0.097 H 230.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#277EA2
RGB	rgb(39, 126, 162)
HSL	hsl(198, 61%, 39%)
HSV	hsv(198, 76%, 64%)
CMYK	cmyk(75.9%, 22.2%, 0%, 36.5%)
CIE-LAB	lab(49.45, -13.01, -26.55)
CIE-LCH	lch(49.45, 29.56, 243.90°)
OKLab	oklab(55.86% -0.0622 -0.0746)
OKLCH	oklch(55.86% 0.097 230.2)
XYZ	xyz(14.8165, 17.9599, 36.8611)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277EA2 #A24B27

analogous

#27A289 #277EA2 #2741A2

triadic

#277EA2 #A2277E #7EA227

tetradic

#277EA2 #8927A2 #A24B27 #41A227

square

#277EA2 #8927A2 #A24B27 #41A227

split-complementary

#277EA2 #A22741 #A28927

monochromatic

#0F313F #1B5871 #277EA2 #37A3CF #69B9DB

Accessibility & contrast

On white

4.57

#277EA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#277EA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277EA2

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277EA2	#FFFFFF	#000000	##000000
##277EA2	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA4

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277ea2;
/* rgb */ color: rgb(39, 126, 162);
/* oklch */ color: oklch(55.9% 0.097 230.2);

Tailwind

colors: {
  custom: {
    50: '#74a3bd',
    500: '#277ea2',
    950: '#000000',
  },
}

SCSS

$custom: #277ea2;
$custom-light: #74a3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277ea2",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 162
  },
  "hsl": {
    "h": 197.561,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55859,
    "c": 0.09717,
    "h": 230.2
  },
  "luminance": 0.17962
}

Semantic roles & 50–950 ramp

primary

#277EA2

secondary

#C17F64

accent

#7343E4

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277EA2

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

Preview Lab → · Contrast checker → · Palette generator →