#10233D#10233D

#10233D is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.5% C 0.055 H 256.7°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#10233D
RGB	rgb(16, 35, 61)
HSL	hsl(215, 58%, 15%)
HSV	hsv(215, 74%, 24%)
CMYK	cmyk(73.8%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(13.53, 2.37, -18.98)
CIE-LCH	lch(13.53, 19.12, 277.13°)
OKLab	oklab(25.51% -0.0127 -0.0539)
OKLCH	oklch(25.51% 0.055 256.7)
XYZ	xyz(1.6567, 1.6490, 4.6450)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10233D #3D2A10

analogous

#10393D #10233D #14103D

triadic

#10233D #3D1023 #233D10

tetradic

#10233D #3D1039 #3D2A10 #103D14

square

#10233D #3D1039 #3D2A10 #103D14

split-complementary

#10233D #3D1410 #393D10

monochromatic

#060E18 #060E18 #10233D #1D3F6D #295B9E

Accessibility & contrast

On white

15.79

#10233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#10233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10233D

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10233D	#FFFFFF	#000000	##FFFFFF
##10233D	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18253E

Deuteranopia (green-blind)

#11213C

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #10233d;
/* rgb */ color: rgb(16, 35, 61);
/* oklch */ color: oklch(25.5% 0.055 256.7);

Tailwind

colors: {
  custom: {
    50: '#545d72',
    500: '#10233d',
    950: '#000000',
  },
}

SCSS

$custom: #10233d;
$custom-light: #545d72;
$custom-dark: #000000;

JSON

{
  "hex": "#10233d",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 214.667,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25509,
    "c": 0.05538,
    "h": 256.7
  },
  "luminance": 0.01649
}

Semantic roles & 50–950 ramp

primary

#10233D

secondary

#775A32

accent

#A046E2

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #10233D

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

Preview Lab → · Contrast checker → · Palette generator →