#277FAA#277FAA

#277FAA is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.104 H 234.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#277FAA
RGB	rgb(39, 127, 170)
HSL	hsl(200, 63%, 41%)
HSV	hsv(200, 77%, 67%)
CMYK	cmyk(77.1%, 25.3%, 0%, 33.3%)
CIE-LAB	lab(50.11, -10.74, -30.17)
CIE-LCH	lch(50.11, 32.02, 250.41°)
OKLab	oklab(56.5% -0.0603 -0.085)
OKLCH	oklch(56.5% 0.104 234.7)
XYZ	xyz(15.6789, 18.5105, 40.7690)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FAA #AA5227

analogous

#27AA93 #277FAA #273DAA

triadic

#277FAA #AA277F #7FAA27

tetradic

#277FAA #9327AA #AA5227 #3DAA27

square

#277FAA #9327AA #AA5227 #3DAA27

split-complementary

#277FAA #AA273D #AA9327

monochromatic

#103546 #1C5A78 #277FAA #3CA1D2 #6EB9DE

Accessibility & contrast

On white

4.47

#277FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#277FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FAA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FAA	#FFFFFF	#000000	##000000
##277FAA	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#5872A9

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277faa;
/* rgb */ color: rgb(39, 127, 170);
/* oklch */ color: oklch(56.5% 0.104 234.7);

Tailwind

colors: {
  custom: {
    50: '#75a4c3',
    500: '#277faa',
    950: '#000000',
  },
}

SCSS

$custom: #277faa;
$custom-light: #75a4c3;
$custom-dark: #000000;

JSON

{
  "hex": "#277faa",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 170
  },
  "hsl": {
    "h": 199.695,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56504,
    "c": 0.10427,
    "h": 234.7
  },
  "luminance": 0.18512
}

Semantic roles & 50–950 ramp

primary

#277FAA

secondary

#C48769

accent

#7842E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #277FAA

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

Preview Lab → · Contrast checker → · Palette generator →