#276CB1#276CB1

#276CB1 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.129 H 251.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#276CB1
RGB	rgb(39, 108, 177)
HSL	hsl(210, 64%, 42%)
HSV	hsv(210, 78%, 69%)
CMYK	cmyk(78%, 39%, 0%, 30.6%)
CIE-LAB	lab(44.70, 3.24, -42.77)
CIE-LCH	lch(44.70, 42.89, 274.34°)
OKLab	oklab(52.35% -0.0403 -0.122)
OKLCH	oklch(52.35% 0.129 251.7)
XYZ	xyz(14.1321, 14.3291, 43.6074)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276CB1 #B16C27

analogous

#27B1B1 #276CB1 #2727B1

triadic

#276CB1 #B1276C #6CB127

tetradic

#276CB1 #B127B1 #B16C27 #27B127

square

#276CB1 #B127B1 #B16C27 #27B127

split-complementary

#276CB1 #B12727 #B1B127

monochromatic

#112F4D #1C4D7F #276CB1 #408BD5 #72A9E0

Accessibility & contrast

On white

5.43

#276CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#276CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276CB1

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276CB1	#FFFFFF	#000000	##FFFFFF
##276CB1	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B4

Deuteranopia (green-blind)

#3664B0

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #276cb1;
/* rgb */ color: rgb(39, 108, 177);
/* oklch */ color: oklch(52.3% 0.129 251.7);

Tailwind

colors: {
  custom: {
    50: '#7695c9',
    500: '#276cb1',
    950: '#000000',
  },
}

SCSS

$custom: #276cb1;
$custom-light: #7695c9;
$custom-dark: #000000;

JSON

{
  "hex": "#276cb1",
  "rgb": {
    "r": 39,
    "g": 108,
    "b": 177
  },
  "hsl": {
    "h": 210,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52349,
    "c": 0.12852,
    "h": 251.7
  },
  "luminance": 0.14331
}

Semantic roles & 50–950 ramp

primary

#276CB1

secondary

#C79A6D

accent

#9441E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276CB1

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

Preview Lab → · Contrast checker → · Palette generator →