#276EB3#276EB3

#276EB3 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.129 H 251.2°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#276EB3
RGB	rgb(39, 110, 179)
HSL	hsl(210, 64%, 43%)
HSV	hsv(210, 78%, 70%)
CMYK	cmyk(78.2%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(45.41, 2.76, -42.81)
CIE-LCH	lch(45.41, 42.89, 273.68°)
OKLab	oklab(52.94% -0.0416 -0.1221)
OKLCH	oklch(52.94% 0.129 251.2)
XYZ	xyz(14.5462, 14.8361, 44.7361)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276EB3 #B36C27

analogous

#27B3B2 #276EB3 #2728B3

triadic

#276EB3 #B3276E #6EB327

tetradic

#276EB3 #B227B3 #B36C27 #28B327

square

#276EB3 #B227B3 #B36C27 #28B327

split-complementary

#276EB3 #B32728 #B3B227

monochromatic

#11304E #1C4F81 #276EB3 #418DD6 #74ABE1

Accessibility & contrast

On white

5.29

#276EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#276EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276EB3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276EB3	#FFFFFF	#000000	##FFFFFF
##276EB3	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#3866B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #276eb3;
/* rgb */ color: rgb(39, 110, 179);
/* oklch */ color: oklch(52.9% 0.129 251.2);

Tailwind

colors: {
  custom: {
    50: '#7697ca',
    500: '#276eb3',
    950: '#000000',
  },
}

SCSS

$custom: #276eb3;
$custom-light: #7697ca;
$custom-dark: #000000;

JSON

{
  "hex": "#276eb3",
  "rgb": {
    "r": 39,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 209.571,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52939,
    "c": 0.12901,
    "h": 251.2
  },
  "luminance": 0.14838
}

Semantic roles & 50–950 ramp

primary

#276EB3

secondary

#C89A6E

accent

#9341E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276EB3

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

Preview Lab → · Contrast checker → · Palette generator →