#277EAA#277EAA

#277EAA is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.105 H 235.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#277EAA
RGB	rgb(39, 126, 170)
HSL	hsl(200, 63%, 41%)
HSV	hsv(200, 77%, 67%)
CMYK	cmyk(77.1%, 25.9%, 0%, 33.3%)
CIE-LAB	lab(49.80, -10.16, -30.65)
CIE-LCH	lch(49.80, 32.29, 251.65°)
OKLab	oklab(56.26% -0.0593 -0.0864)
OKLCH	oklch(56.26% 0.105 235.5)
XYZ	xyz(15.5504, 18.2535, 40.7261)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277EAA #AA5327

analogous

#27AA94 #277EAA #273CAA

triadic

#277EAA #AA277E #7EAA27

tetradic

#277EAA #9427AA #AA5327 #3CAA27

square

#277EAA #9427AA #AA5327 #3CAA27

split-complementary

#277EAA #AA273C #AA9427

monochromatic

#103446 #1C5978 #277EAA #3CA0D2 #6EB8DE

Accessibility & contrast

On white

4.52

#277EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#277EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277EAA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277EAA	#FFFFFF	#000000	##000000
##277EAA	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAC

Deuteranopia (green-blind)

#5771A9

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277eaa;
/* rgb */ color: rgb(39, 126, 170);
/* oklch */ color: oklch(56.3% 0.105 235.5);

Tailwind

colors: {
  custom: {
    50: '#75a3c3',
    500: '#277eaa',
    950: '#000000',
  },
}

SCSS

$custom: #277eaa;
$custom-light: #75a3c3;
$custom-dark: #000000;

JSON

{
  "hex": "#277eaa",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 170
  },
  "hsl": {
    "h": 200.153,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56259,
    "c": 0.10486,
    "h": 235.5
  },
  "luminance": 0.18255
}

Semantic roles & 50–950 ramp

primary

#277EAA

secondary

#C48769

accent

#7942E6

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #277EAA

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

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