#10657B#10657B

#10657B is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.082 H 220.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#10657B
RGB	rgb(16, 101, 123)
HSL	hsl(192, 77%, 27%)
HSV	hsv(192, 87%, 48%)
CMYK	cmyk(87%, 17.9%, 0%, 51.8%)
CIE-LAB	lab(39.32, -15.37, -19.03)
CIE-LCH	lch(39.32, 24.47, 231.07°)
OKLab	oklab(47.06% -0.0616 -0.0533)
OKLCH	oklch(47.06% 0.082 220.9)
XYZ	xyz(8.4410, 10.8465, 20.3837)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10657B #7B2610

analogous

#107B5B #10657B #10307B

triadic

#10657B #7B1065 #657B10

tetradic

#10657B #5B107B #7B2610 #307B10

square

#10657B #5B107B #7B2610 #307B10

split-complementary

#10657B #7B1030 #7B5B10

monochromatic

#04161B #093945 #10657B #1791B1 #23BBE2

Accessibility & contrast

On white

6.63

#10657B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#10657B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #10657B

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10657B	#FFFFFF	#000000	##FFFFFF
##10657B	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627C

Deuteranopia (green-blind)

#4A587B

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #10657b;
/* rgb */ color: rgb(16, 101, 123);
/* oklch */ color: oklch(47.1% 0.082 220.9);

Tailwind

colors: {
  custom: {
    50: '#6591a1',
    500: '#10657b',
    950: '#000000',
  },
}

SCSS

$custom: #10657b;
$custom-light: #6591a1;
$custom-dark: #000000;

JSON

{
  "hex": "#10657b",
  "rgb": {
    "r": 16,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 192.336,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.47061,
    "c": 0.08153,
    "h": 220.9
  },
  "luminance": 0.10848
}

Semantic roles & 50–950 ramp

primary

#10657B

secondary

#B24F35

accent

#5C34F4

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #10657B

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

Preview Lab → · Contrast checker → · Palette generator →