#277EAF#277EAF

#277EAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.110 H 238.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#277EAF
RGB	rgb(39, 126, 175)
HSL	hsl(202, 64%, 42%)
HSV	hsv(202, 78%, 69%)
CMYK	cmyk(77.7%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.03, -8.36, -33.19)
CIE-LCH	lch(50.03, 34.22, 255.86°)
OKLab	oklab(56.52% -0.0576 -0.0938)
OKLCH	oklch(56.52% 0.11 238.4)
XYZ	xyz(16.0324, 18.4463, 43.2646)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277EAF #AF5827

analogous

#27AF9C #277EAF #273AAF

triadic

#277EAF #AF277E #7EAF27

tetradic

#277EAF #9C27AF #AF5827 #3AAF27

square

#277EAF #9C27AF #AF5827 #3AAF27

split-complementary

#277EAF #AF273A #AF9C27

monochromatic

#11364B #1C5A7D #277EAF #3F9ED4 #71B8DF

Accessibility & contrast

On white

4.48

#277EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#277EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277EAF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277EAF	#FFFFFF	#000000	##000000
##277EAF	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)

#677EB1

Deuteranopia (green-blind)

#5471AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277eaf;
/* rgb */ color: rgb(39, 126, 175);
/* oklch */ color: oklch(56.5% 0.110 238.4);

Tailwind

colors: {
  custom: {
    50: '#76a3c7',
    500: '#277eaf',
    950: '#000000',
  },
}

SCSS

$custom: #277eaf;
$custom-light: #76a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#277eaf",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 201.618,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56518,
    "c": 0.11009,
    "h": 238.4
  },
  "luminance": 0.18448
}

Semantic roles & 50–950 ramp

primary

#277EAF

secondary

#C68C6B

accent

#7D41E7

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #277EAF

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

Preview Lab → · Contrast checker → · Palette generator →