#277F9C#277F9C

#277F9C is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.092 H 224.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#277F9C
RGB	rgb(39, 127, 156)
HSL	hsl(195, 60%, 38%)
HSV	hsv(195, 75%, 61%)
CMYK	cmyk(75%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(49.51, -15.66, -22.96)
CIE-LCH	lch(49.51, 27.79, 235.71°)
OKLab	oklab(55.82% -0.0655 -0.0643)
OKLCH	oklch(55.82% 0.092 224.4)
XYZ	xyz(14.4244, 18.0087, 34.1619)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277F9C #9C4427

analogous

#279C7E #277F9C #27449C

triadic

#277F9C #9C277F #7F9C27

tetradic

#277F9C #7E279C #9C4427 #449C27

square

#277F9C #7E279C #9C4427 #449C27

split-complementary

#277F9C #9C2744 #9C7E27

monochromatic

#0F2F3A #1B576B #277F9C #34A6CC #65BCD8

Accessibility & contrast

On white

4.56

#277F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#277F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277F9C

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277F9C	#FFFFFF	#000000	##000000
##277F9C	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9D

Deuteranopia (green-blind)

#5F719C

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277f9c;
/* rgb */ color: rgb(39, 127, 156);
/* oklch */ color: oklch(55.8% 0.092 224.4);

Tailwind

colors: {
  custom: {
    50: '#73a4b9',
    500: '#277f9c',
    950: '#000000',
  },
}

SCSS

$custom: #277f9c;
$custom-light: #73a4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#277f9c",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 194.872,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.55823,
    "c": 0.09182,
    "h": 224.4
  },
  "luminance": 0.1801
}

Semantic roles & 50–950 ramp

primary

#277F9C

secondary

#BE7861

accent

#6C45E3

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #277F9C

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

Preview Lab → · Contrast checker → · Palette generator →