#277D99#277D99

#277D99 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.090 H 224.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#277D99
RGB	rgb(39, 125, 153)
HSL	hsl(195, 59%, 38%)
HSV	hsv(195, 75%, 60%)
CMYK	cmyk(74.5%, 18.3%, 0%, 40%)
CIE-LAB	lab(48.76, -15.58, -22.36)
CIE-LCH	lch(48.76, 27.25, 235.13°)
OKLab	oklab(55.18% -0.0647 -0.0626)
OKLCH	oklch(55.18% 0.09 224.1)
XYZ	xyz(13.9177, 17.3968, 32.7552)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277D99 #994327

analogous

#27997C #277D99 #274499

triadic

#277D99 #99277D #7D9927

tetradic

#277D99 #7C2799 #994327 #449927

square

#277D99 #7C2799 #994327 #449927

split-complementary

#277D99 #992744 #997C27

monochromatic

#0E2D37 #1B5568 #277D99 #33A5CA #63BBD7

Accessibility & contrast

On white

4.69

#277D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#277D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277D99

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277D99	#FFFFFF	#000000	##FFFFFF
##277D99	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277d99;
/* rgb */ color: rgb(39, 125, 153);
/* oklch */ color: oklch(55.2% 0.090 224.1);

Tailwind

colors: {
  custom: {
    50: '#72a2b7',
    500: '#277d99',
    950: '#000000',
  },
}

SCSS

$custom: #277d99;
$custom-light: #72a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#277d99",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 194.737,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.09001,
    "h": 224.1
  },
  "luminance": 0.17398
}

Semantic roles & 50–950 ramp

primary

#277D99

secondary

#BD765F

accent

#6C45E3

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #277D99

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

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