#10403D#10403D

#10403D is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.050 H 189.1°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#10403D
RGB	rgb(16, 64, 61)
HSL	hsl(176, 60%, 16%)
HSV	hsv(176, 75%, 25%)
CMYK	cmyk(75%, 0%, 4.7%, 74.9%)
CIE-LAB	lab(24.04, -16.56, -2.84)
CIE-LCH	lch(24.04, 16.80, 189.75°)
OKLab	oklab(33.91% -0.0499 -0.008)
OKLCH	oklch(33.91% 0.05 189.1)
XYZ	xyz(2.8890, 4.1135, 5.0557)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10403D #401013

analogous

#104025 #10403D #102B40

triadic

#10403D #3D1040 #403D10

tetradic

#10403D #251040 #401013 #2B4010

square

#10403D #251040 #401013 #2B4010

split-complementary

#10403D #40102B #402510

monochromatic

#061817 #061817 #10403D #1C716C #28A29A

Accessibility & contrast

On white

11.52

#10403D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#10403D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10403D

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10403D	#FFFFFF	#000000	##FFFFFF
##10403D	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3D

Deuteranopia (green-blind)

#35373D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #10403d;
/* rgb */ color: rgb(16, 64, 61);
/* oklch */ color: oklch(33.9% 0.050 189.1);

Tailwind

colors: {
  custom: {
    50: '#567572',
    500: '#10403d',
    950: '#000000',
  },
}

SCSS

$custom: #10403d;
$custom-light: #567572;
$custom-dark: #000000;

JSON

{
  "hex": "#10403d",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 176.25,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33907,
    "c": 0.05049,
    "h": 189.1
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#10403D

secondary

#7A3236

accent

#454FE3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #10403D

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

Preview Lab → · Contrast checker → · Palette generator →