#277DA8#277DA8

#277DA8 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.103 H 235.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#277DA8
RGB	rgb(39, 125, 168)
HSL	hsl(200, 62%, 41%)
HSV	hsv(200, 77%, 66%)
CMYK	cmyk(76.8%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.40, -10.30, -30.11)
CIE-LCH	lch(49.40, 31.82, 251.11°)
OKLab	oklab(55.91% -0.0591 -0.0849)
OKLCH	oklch(55.91% 0.103 235.2)
XYZ	xyz(15.2354, 17.9239, 39.6949)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277DA8 #A85227

analogous

#27A892 #277DA8 #273CA8

triadic

#277DA8 #A8277D #7DA827

tetradic

#277DA8 #9227A8 #A85227 #3CA827

square

#277DA8 #9227A8 #A85227 #3CA827

split-complementary

#277DA8 #A8273C #A89227

monochromatic

#103345 #1B5876 #277DA8 #3B9FD1 #6CB7DD

Accessibility & contrast

On white

4.58

#277DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#277DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277DA8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277DA8	#FFFFFF	#000000	##000000
##277DA8	1.00	4.58	4.59	4.59
#FFFFFF	4.58	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)

#687CAA

Deuteranopia (green-blind)

#5770A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #277da8;
/* rgb */ color: rgb(39, 125, 168);
/* oklch */ color: oklch(55.9% 0.103 235.2);

Tailwind

colors: {
  custom: {
    50: '#74a2c2',
    500: '#277da8',
    950: '#000000',
  },
}

SCSS

$custom: #277da8;
$custom-light: #74a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#277da8",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 200,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55912,
    "c": 0.10343,
    "h": 235.2
  },
  "luminance": 0.17926
}

Semantic roles & 50–950 ramp

primary

#277DA8

secondary

#C38667

accent

#7942E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #277DA8

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

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