#276FB3#276FB3

#276FB3 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.128 H 250.6°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#276FB3
RGB	rgb(39, 111, 179)
HSL	hsl(209, 64%, 43%)
HSV	hsv(209, 78%, 70%)
CMYK	cmyk(78.2%, 38%, 0%, 29.8%)
CIE-LAB	lab(45.71, 2.13, -42.33)
CIE-LCH	lch(45.71, 42.39, 272.89°)
OKLab	oklab(53.17% -0.0425 -0.1207)
OKLCH	oklch(53.17% 0.128 250.6)
XYZ	xyz(14.6547, 15.0531, 44.7723)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276FB3 #B36B27

analogous

#27B3B1 #276FB3 #2729B3

triadic

#276FB3 #B3276F #6FB327

tetradic

#276FB3 #B127B3 #B36B27 #29B327

square

#276FB3 #B127B3 #B36B27 #29B327

split-complementary

#276FB3 #B32729 #B3B127

monochromatic

#11314E #1C5081 #276FB3 #418ED6 #74ACE1

Accessibility & contrast

On white

5.24

#276FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#276FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276FB3

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276FB3	#FFFFFF	#000000	##FFFFFF
##276FB3	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B6

Deuteranopia (green-blind)

#3966B2

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #276fb3;
/* rgb */ color: rgb(39, 111, 179);
/* oklch */ color: oklch(53.2% 0.128 250.6);

Tailwind

colors: {
  custom: {
    50: '#7697ca',
    500: '#276fb3',
    950: '#000000',
  },
}

SCSS

$custom: #276fb3;
$custom-light: #7697ca;
$custom-dark: #000000;

JSON

{
  "hex": "#276fb3",
  "rgb": {
    "r": 39,
    "g": 111,
    "b": 179
  },
  "hsl": {
    "h": 209.143,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.53172,
    "c": 0.12798,
    "h": 250.6
  },
  "luminance": 0.15055
}

Semantic roles & 50–950 ramp

primary

#276FB3

secondary

#C89A6E

accent

#9241E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276FB3

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

Preview Lab → · Contrast checker → · Palette generator →