#297BB1#297BB1

#297BB1 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.114 H 242.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#297BB1
RGB	rgb(41, 123, 177)
HSL	hsl(204, 62%, 43%)
HSV	hsv(204, 77%, 69%)
CMYK	cmyk(76.8%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(49.26, -5.64, -35.54)
CIE-LCH	lch(49.26, 35.99, 260.99°)
OKLab	oklab(55.96% -0.0531 -0.1007)
OKLCH	oklch(55.96% 0.114 242.2)
XYZ	xyz(15.9301, 17.8098, 44.1845)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#297BB1 #B15F29

analogous

#29B1A3 #297BB1 #2937B1

triadic

#297BB1 #B1297B #7BB129

tetradic

#297BB1 #A329B1 #B15F29 #37B129

square

#297BB1 #A329B1 #B15F29 #37B129

split-complementary

#297BB1 #B12937 #B1A329

monochromatic

#12364E #1D587F #297BB1 #449AD4 #75B5DF

Accessibility & contrast

On white

4.60

#297BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#297BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #297BB1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##297BB1	#FFFFFF	#000000	##FFFFFF
##297BB1	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627CB3

Deuteranopia (green-blind)

#4F6FB0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #297bb1;
/* rgb */ color: rgb(41, 123, 177);
/* oklch */ color: oklch(56.0% 0.114 242.2);

Tailwind

colors: {
  custom: {
    50: '#77a1c8',
    500: '#297bb1',
    950: '#000000',
  },
}

SCSS

$custom: #297bb1;
$custom-light: #77a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#297bb1",
  "rgb": {
    "r": 41,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 203.824,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55955,
    "c": 0.11385,
    "h": 242.2
  },
  "luminance": 0.17812
}

Semantic roles & 50–950 ramp

primary

#297BB1

secondary

#C7926F

accent

#8342E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #297BB1

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

Preview Lab → · Contrast checker → · Palette generator →