#13799D
Closest named color: Sea Blue (#047495). oklch(54% 0.101 228.7), rgb(19, 121, 157).
Aa
White text reads best on this color (4.94:1).
About this color
#13799D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.101 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.019 away. White text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #13799D |
| RGB | rgb(19, 121, 157) |
| HSL | hsl(196, 78%, 35%) |
| OKLCH | oklch(54% 0.101 228.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #13799D | 4.94:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #13799D | 4.24:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #13799D text on white | 4.94:1 | AA | Lc 73.8 | Content text, not long reading |
| #13799D text on black | 4.24:1 | AA large text | Lc -27.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6FAAC5
oklch(70.8% 0.073 228.6)
-
Step 500
500
#4494B6
oklch(63.1% 0.093 228.8)
-
Step 600
600 (this color)
#13799D
oklch(54% 0.101 228.7)
-
Step 700
700
#096A8B
oklch(49.1% 0.094 229)
-
Step 800
800
#105771
oklch(42.8% 0.078 228.6)
-
Step 900
900
#17485B
oklch(37.8% 0.061 227.6)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#13799D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #66779F | 0.071 |
| Deuteranopia (no green cones) | #556B9D | 0.061 |
| Tritanopia (no blue cones) | #008385 | 0.056 |
| Achromatopsia (no color) | #707070 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13799D
#13799D
oklch(54% 0.101 228.7)
- #9D5B36
#9D5B36
oklch(53.9% 0.101 48.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #13799D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.019
- Ocean #017B92 ΔE 0.021
- Ocean Blue #03719C ΔE 0.025
- Nice Blue #107AB0 ΔE 0.030
- Muted Blue #3B719F ΔE 0.032
- Cerulean #457B9D ΔE 0.034
- Dull Blue #49759C ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.037
Use #13799D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.