#277CA1#277CA1

#277CA1 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.097 H 231.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#277CA1
RGB	rgb(39, 124, 161)
HSL	hsl(198, 61%, 39%)
HSV	hsv(198, 76%, 63%)
CMYK	cmyk(75.8%, 23%, 0%, 36.9%)
CIE-LAB	lab(48.78, -12.22, -27.00)
CIE-LCH	lch(48.78, 29.64, 245.64°)
OKLab	oklab(55.31% -0.0606 -0.0759)
OKLCH	oklch(55.31% 0.097 231.4)
XYZ	xyz(14.4748, 17.4181, 36.3105)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277CA1 #A14C27

analogous

#27A189 #277CA1 #273FA1

triadic

#277CA1 #A1277C #7CA127

tetradic

#277CA1 #8927A1 #A14C27 #3FA127

square

#277CA1 #8927A1 #A14C27 #3FA127

split-complementary

#277CA1 #A1273F #A18927

monochromatic

#0F303E #1B5670 #277CA1 #37A0CE #68B8DA

Accessibility & contrast

On white

4.68

#277CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#277CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277CA1

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277CA1	#FFFFFF	#000000	##FFFFFF
##277CA1	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA3

Deuteranopia (green-blind)

#596FA0

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277ca1;
/* rgb */ color: rgb(39, 124, 161);
/* oklch */ color: oklch(55.3% 0.097 231.4);

Tailwind

colors: {
  custom: {
    50: '#73a2bd',
    500: '#277ca1',
    950: '#000000',
  },
}

SCSS

$custom: #277ca1;
$custom-light: #73a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277ca1",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 198.197,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.55314,
    "c": 0.09714,
    "h": 231.4
  },
  "luminance": 0.1742
}

Semantic roles & 50–950 ramp

primary

#277CA1

secondary

#C08063

accent

#7444E4

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #277CA1

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

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