#276E8B#276E8B

#276E8B is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.7% C 0.083 H 229.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#276E8B
RGB	rgb(39, 110, 139)
HSL	hsl(197, 56%, 35%)
HSV	hsv(197, 72%, 55%)
CMYK	cmyk(71.9%, 20.9%, 0%, 45.5%)
CIE-LAB	lab(43.43, -11.97, -22.30)
CIE-LCH	lch(43.43, 25.31, 241.78°)
OKLab	oklab(50.72% -0.0544 -0.0625)
OKLCH	oklch(50.72% 0.083 229)
XYZ	xyz(11.0710, 13.4460, 26.4330)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276E8B #8B4427

analogous

#278B76 #276E8B #273C8B

triadic

#276E8B #8B276E #6E8B27

tetradic

#276E8B #76278B #8B4427 #3C8B27

square

#276E8B #76278B #8B4427 #3C8B27

split-complementary

#276E8B #8B273C #8B7627

monochromatic

#0C222B #1A485B #276E8B #3494BB #5BAFD1

Accessibility & contrast

On white

5.69

#276E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#276E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276E8B

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276E8B	#FFFFFF	#000000	##FFFFFF
##276E8B	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6C8C

Deuteranopia (green-blind)

#51628B

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #276e8b;
/* rgb */ color: rgb(39, 110, 139);
/* oklch */ color: oklch(50.7% 0.083 229.0);

Tailwind

colors: {
  custom: {
    50: '#6f97ad',
    500: '#276e8b',
    950: '#000000',
  },
}

SCSS

$custom: #276e8b;
$custom-light: #6f97ad;
$custom-dark: #000000;

JSON

{
  "hex": "#276e8b",
  "rgb": {
    "r": 39,
    "g": 110,
    "b": 139
  },
  "hsl": {
    "h": 197.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.50724,
    "c": 0.08288,
    "h": 229
  },
  "luminance": 0.13447
}

Semantic roles & 50–950 ramp

primary

#276E8B

secondary

#B67358

accent

#7448DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #276E8B

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

Preview Lab → · Contrast checker → · Palette generator →