#297BB0#297BB0

#297BB0 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.113 H 241.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#297BB0
RGB	rgb(41, 123, 176)
HSL	hsl(204, 62%, 43%)
HSV	hsv(204, 77%, 69%)
CMYK	cmyk(76.7%, 30.1%, 0%, 31%)
CIE-LAB	lab(49.22, -6.00, -35.04)
CIE-LCH	lch(49.22, 35.55, 260.28°)
OKLab	oklab(55.9% -0.0535 -0.0992)
OKLCH	oklch(55.9% 0.113 241.7)
XYZ	xyz(15.8308, 17.7701, 43.6615)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#297BB0 #B05E29

analogous

#29B0A2 #297BB0 #2937B0

triadic

#297BB0 #B0297B #7BB029

tetradic

#297BB0 #A229B0 #B05E29 #37B029

square

#297BB0 #A229B0 #B05E29 #37B029

split-complementary

#297BB0 #B02937 #B0A229

monochromatic

#12364D #1D587E #297BB0 #439BD3 #75B5DF

Accessibility & contrast

On white

4.61

#297BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#297BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #297BB0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##297BB0	#FFFFFF	#000000	##FFFFFF
##297BB0	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627CB2

Deuteranopia (green-blind)

#506FAF

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #297bb0;
/* rgb */ color: rgb(41, 123, 176);
/* oklch */ color: oklch(55.9% 0.113 241.7);

Tailwind

colors: {
  custom: {
    50: '#76a1c8',
    500: '#297bb0',
    950: '#000000',
  },
}

SCSS

$custom: #297bb0;
$custom-light: #76a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#297bb0",
  "rgb": {
    "r": 41,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 203.556,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.559,
    "c": 0.11271,
    "h": 241.7
  },
  "luminance": 0.17772
}

Semantic roles & 50–950 ramp

primary

#297BB0

secondary

#C6916F

accent

#8243E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #297BB0

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

Preview Lab → · Contrast checker → · Palette generator →