#276BB0#276BB0

#276BB0 is a mid, vivid cyan. Relative luminance 0.141; OKLCH L 52.1% C 0.128 H 252.0°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#276BB0
RGB	rgb(39, 107, 176)
HSL	hsl(210, 64%, 42%)
HSV	hsv(210, 78%, 69%)
CMYK	cmyk(77.8%, 39.2%, 0%, 31%)
CIE-LAB	lab(44.35, 3.49, -42.74)
CIE-LCH	lch(44.35, 42.89, 274.66°)
OKLab	oklab(52.05% -0.0397 -0.122)
OKLCH	oklch(52.05% 0.128 252)
XYZ	xyz(13.9279, 14.0797, 43.0495)
Luminance	0.1408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276BB0 #B06C27

analogous

#27B0B0 #276BB0 #2827B0

triadic

#276BB0 #B0276B #6BB027

tetradic

#276BB0 #B027B0 #B06C27 #27B028

square

#276BB0 #B027B0 #B06C27 #27B028

split-complementary

#276BB0 #B02827 #B0B027

monochromatic

#112E4C #1C4D7E #276BB0 #408AD5 #72A8E0

Accessibility & contrast

On white

5.50

#276BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#276BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276BB0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276BB0	#FFFFFF	#000000	##FFFFFF
##276BB0	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A70B3

Deuteranopia (green-blind)

#3563AF

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #276bb0;
/* rgb */ color: rgb(39, 107, 176);
/* oklch */ color: oklch(52.1% 0.128 252.0);

Tailwind

colors: {
  custom: {
    50: '#7694c8',
    500: '#276bb0',
    950: '#000000',
  },
}

SCSS

$custom: #276bb0;
$custom-light: #7694c8;
$custom-dark: #000000;

JSON

{
  "hex": "#276bb0",
  "rgb": {
    "r": 39,
    "g": 107,
    "b": 176
  },
  "hsl": {
    "h": 210.219,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52054,
    "c": 0.12828,
    "h": 252
  },
  "luminance": 0.14081
}

Semantic roles & 50–950 ramp

primary

#276BB0

secondary

#C79A6C

accent

#9541E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276BB0

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

Preview Lab → · Contrast checker → · Palette generator →