#277BAA#277BAA

#277BAA is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.107 H 238.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#277BAA
RGB	rgb(39, 123, 170)
HSL	hsl(202, 63%, 41%)
HSV	hsv(202, 77%, 67%)
CMYK	cmyk(77.1%, 27.6%, 0%, 33.3%)
CIE-LAB	lab(48.88, -8.43, -32.09)
CIE-LCH	lch(48.88, 33.18, 255.29°)
OKLab	oklab(55.53% -0.0564 -0.0906)
OKLCH	oklch(55.53% 0.107 238.1)
XYZ	xyz(15.1725, 17.4977, 40.6002)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277BAA #AA5627

analogous

#27AA97 #277BAA #2739AA

triadic

#277BAA #AA277B #7BAA27

tetradic

#277BAA #9727AA #AA5627 #39AA27

square

#277BAA #9727AA #AA5627 #39AA27

split-complementary

#277BAA #AA2739 #AA9727

monochromatic

#103346 #1C5778 #277BAA #3C9CD2 #6EB6DE

Accessibility & contrast

On white

4.67

#277BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#277BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #277BAA

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277BAA	#FFFFFF	#000000	##FFFFFF
##277BAA	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAC

Deuteranopia (green-blind)

#536FA9

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277baa;
/* rgb */ color: rgb(39, 123, 170);
/* oklch */ color: oklch(55.5% 0.107 238.1);

Tailwind

colors: {
  custom: {
    50: '#75a1c3',
    500: '#277baa',
    950: '#000000',
  },
}

SCSS

$custom: #277baa;
$custom-light: #75a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#277baa",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 170
  },
  "hsl": {
    "h": 201.527,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55527,
    "c": 0.10678,
    "h": 238.1
  },
  "luminance": 0.175
}

Semantic roles & 50–950 ramp

primary

#277BAA

secondary

#C48969

accent

#7D42E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #277BAA

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

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