#277FA8#277FA8

#277FA8 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.102 H 233.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#277FA8
RGB	rgb(39, 127, 168)
HSL	hsl(199, 62%, 41%)
HSV	hsv(199, 77%, 66%)
CMYK	cmyk(76.8%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(50.02, -11.45, -29.15)
CIE-LCH	lch(50.02, 31.32, 248.55°)
OKLab	oklab(56.4% -0.061 -0.0821)
OKLCH	oklch(56.4% 0.102 233.4)
XYZ	xyz(15.4911, 18.4354, 39.7801)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FA8 #A85027

analogous

#27A890 #277FA8 #273EA8

triadic

#277FA8 #A8277F #7FA827

tetradic

#277FA8 #9027A8 #A85027 #3EA827

square

#277FA8 #9027A8 #A85027 #3EA827

split-complementary

#277FA8 #A8273E #A89027

monochromatic

#103445 #1B5976 #277FA8 #3BA2D1 #6CB9DD

Accessibility & contrast

On white

4.48

#277FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#277FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FA8

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FA8	#FFFFFF	#000000	##000000
##277FA8	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EAA

Deuteranopia (green-blind)

#5972A7

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277fa8;
/* rgb */ color: rgb(39, 127, 168);
/* oklch */ color: oklch(56.4% 0.102 233.4);

Tailwind

colors: {
  custom: {
    50: '#75a4c2',
    500: '#277fa8',
    950: '#000000',
  },
}

SCSS

$custom: #277fa8;
$custom-light: #75a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#277fa8",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 199.07,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56403,
    "c": 0.1023,
    "h": 233.4
  },
  "luminance": 0.18437
}

Semantic roles & 50–950 ramp

primary

#277FA8

secondary

#C38567

accent

#7642E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #277FA8

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

Preview Lab → · Contrast checker → · Palette generator →