#234F7B#234F7B

#234F7B is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.088 H 250.7°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#234F7B
RGB	rgb(35, 79, 123)
HSL	hsl(210, 56%, 31%)
HSV	hsv(210, 72%, 48%)
CMYK	cmyk(71.5%, 35.8%, 0%, 51.8%)
CIE-LAB	lab(32.65, 0.49, -29.40)
CIE-LCH	lch(32.65, 29.40, 270.96°)
OKLab	oklab(41.9% -0.0291 -0.0834)
OKLCH	oklch(41.9% 0.088 250.7)
XYZ	xyz(7.0629, 7.3786, 19.7870)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F7B #7B4F23

analogous

#237B7B #234F7B #23237B

triadic

#234F7B #7B234F #4F7B23

tetradic

#234F7B #7B237B #7B4F23 #237B23

square

#234F7B #7B237B #7B4F23 #237B23

split-complementary

#234F7B #7B2323 #7B7B23

monochromatic

#08121C #15304B #234F7B #316EAB #4C8CCC

Accessibility & contrast

On white

8.48

#234F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#234F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F7B

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F7B	#FFFFFF	#000000	##FFFFFF
##234F7B	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B517D

Deuteranopia (green-blind)

#2F497A

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234f7b;
/* rgb */ color: rgb(35, 79, 123);
/* oklch */ color: oklch(41.9% 0.088 250.7);

Tailwind

colors: {
  custom: {
    50: '#6980a1',
    500: '#234f7b',
    950: '#000000',
  },
}

SCSS

$custom: #234f7b;
$custom-light: #6980a1;
$custom-dark: #000000;

JSON

{
  "hex": "#234f7b",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 123
  },
  "hsl": {
    "h": 210,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41897,
    "c": 0.08836,
    "h": 250.7
  },
  "luminance": 0.07379
}

Semantic roles & 50–950 ramp

primary

#234F7B

secondary

#AE7D4C

accent

#9449DF

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #234F7B

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

Preview Lab → · Contrast checker → · Palette generator →