#276EB4#276EB4

#276EB4 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.130 H 251.5°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#276EB4
RGB	rgb(39, 110, 180)
HSL	hsl(210, 64%, 43%)
HSV	hsv(210, 78%, 71%)
CMYK	cmyk(78.3%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(45.46, 3.13, -43.30)
CIE-LCH	lch(45.46, 43.41, 274.14°)
OKLab	oklab(53% -0.0413 -0.1236)
OKLCH	oklch(53% 0.13 251.5)
XYZ	xyz(14.6477, 14.8767, 45.2707)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276EB4 #B46D27

analogous

#27B4B3 #276EB4 #2727B4

triadic

#276EB4 #B4276E #6EB427

tetradic

#276EB4 #B327B4 #B46D27 #27B427

square

#276EB4 #B327B4 #B46D27 #27B427

split-complementary

#276EB4 #B42727 #B4B327

monochromatic

#11314F #1C4F82 #276EB4 #428DD6 #74ABE1

Accessibility & contrast

On white

5.28

#276EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#276EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276EB4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276EB4	#FFFFFF	#000000	##FFFFFF
##276EB4	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B7

Deuteranopia (green-blind)

#3766B3

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #276eb4;
/* rgb */ color: rgb(39, 110, 180);
/* oklch */ color: oklch(53.0% 0.130 251.5);

Tailwind

colors: {
  custom: {
    50: '#7697cb',
    500: '#276eb4',
    950: '#000000',
  },
}

SCSS

$custom: #276eb4;
$custom-light: #7697cb;
$custom-dark: #000000;

JSON

{
  "hex": "#276eb4",
  "rgb": {
    "r": 39,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 209.787,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53001,
    "c": 0.1303,
    "h": 251.5
  },
  "luminance": 0.14878
}

Semantic roles & 50–950 ramp

primary

#276EB4

secondary

#C89B6F

accent

#9340E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276EB4

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

Preview Lab → · Contrast checker → · Palette generator →