#276DB0#276DB0

#276DB0 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.126 H 250.8°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#276DB0
RGB	rgb(39, 109, 176)
HSL	hsl(209, 64%, 42%)
HSV	hsv(209, 78%, 69%)
CMYK	cmyk(77.8%, 38.1%, 0%, 31%)
CIE-LAB	lab(44.94, 2.24, -41.80)
CIE-LCH	lch(44.94, 41.86, 273.07°)
OKLab	oklab(52.52% -0.0415 -0.1192)
OKLCH	oklch(52.52% 0.126 250.8)
XYZ	xyz(14.1388, 14.5015, 43.1198)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276DB0 #B06A27

analogous

#27B0AF #276DB0 #2729B0

triadic

#276DB0 #B0276D #6DB027

tetradic

#276DB0 #AF27B0 #B06A27 #29B027

square

#276DB0 #AF27B0 #B06A27 #29B027

split-complementary

#276DB0 #B02729 #B0AF27

monochromatic

#112F4C #1C4E7E #276DB0 #408CD5 #72AAE0

Accessibility & contrast

On white

5.38

#276DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#276DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276DB0

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276DB0	#FFFFFF	#000000	##FFFFFF
##276DB0	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D71B3

Deuteranopia (green-blind)

#3865AF

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #276db0;
/* rgb */ color: rgb(39, 109, 176);
/* oklch */ color: oklch(52.5% 0.126 250.8);

Tailwind

colors: {
  custom: {
    50: '#7696c8',
    500: '#276db0',
    950: '#000000',
  },
}

SCSS

$custom: #276db0;
$custom-light: #7696c8;
$custom-dark: #000000;

JSON

{
  "hex": "#276db0",
  "rgb": {
    "r": 39,
    "g": 109,
    "b": 176
  },
  "hsl": {
    "h": 209.343,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52521,
    "c": 0.12619,
    "h": 250.8
  },
  "luminance": 0.14503
}

Semantic roles & 50–950 ramp

primary

#276DB0

secondary

#C7986C

accent

#9241E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276DB0

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

Preview Lab → · Contrast checker → · Palette generator →