#277A9E#277A9E

#277A9E is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.7% C 0.095 H 231.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#277A9E
RGB	rgb(39, 122, 158)
HSL	hsl(198, 60%, 39%)
HSV	hsv(198, 75%, 62%)
CMYK	cmyk(75.3%, 22.8%, 0%, 38%)
CIE-LAB	lab(48.03, -12.15, -26.41)
CIE-LCH	lch(48.03, 29.07, 245.30°)
OKLab	oklab(54.67% -0.0597 -0.0743)
OKLCH	oklch(54.67% 0.095 231.2)
XYZ	xyz(13.9653, 16.8174, 34.8512)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A9E #9E4B27

analogous

#279E86 #277A9E #273E9E

triadic

#277A9E #9E277A #7A9E27

tetradic

#277A9E #86279E #9E4B27 #3E9E27

square

#277A9E #86279E #9E4B27 #3E9E27

split-complementary

#277A9E #9E273E #9E8627

monochromatic

#0F2E3C #1B546D #277A9E #359FCD #66B6D9

Accessibility & contrast

On white

4.81

#277A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#277A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A9E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A9E	#FFFFFF	#000000	##FFFFFF
##277A9E	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6878A0

Deuteranopia (green-blind)

#586D9D

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277a9e;
/* rgb */ color: rgb(39, 122, 158);
/* oklch */ color: oklch(54.7% 0.095 231.2);

Tailwind

colors: {
  custom: {
    50: '#73a0ba',
    500: '#277a9e',
    950: '#000000',
  },
}

SCSS

$custom: #277a9e;
$custom-light: #73a0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#277a9e",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 158
  },
  "hsl": {
    "h": 198.151,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54669,
    "c": 0.09528,
    "h": 231.2
  },
  "luminance": 0.16819
}

Semantic roles & 50–950 ramp

primary

#277A9E

secondary

#BF7E62

accent

#7444E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277A9E

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

Preview Lab → · Contrast checker → · Palette generator →