#13699D
Closest named color: Peacock Blue (#016795). oklch(50% 0.112 242.3), rgb(19, 105, 157).
Aa
White text reads best on this color (5.94:1).
About this color
#13699D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.112 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.015 away. White text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #13699D |
| RGB | rgb(19, 105, 157) |
| HSL | hsl(203, 78%, 35%) |
| OKLCH | oklch(50% 0.112 242.3) |
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 #13699D | 5.94:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #13699D | 3.53:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #13699D text on white | 5.94:1 | AA | Lc 79.2 | Fine for body text |
| #13699D text on black | 3.53:1 | AA large text | Lc -22.6 | 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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C6E1
oklch(81% 0.054 241.5)
-
Step 400
400
#6FA7D2
oklch(70.6% 0.086 242.5)
-
Step 500
500
#4591C7
oklch(63.2% 0.111 242.3)
-
Step 600
600
#1F7AB3
oklch(55.6% 0.12 242.2)
-
Step 700
700 (this color)
#13699D
oklch(50% 0.112 242.3)
-
Step 800
800
#12547D
oklch(42.8% 0.092 242)
-
Step 900
900
#184565
oklch(37.6% 0.073 243.3)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#13699D 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) | #506A9F | 0.052 |
| Deuteranopia (no green cones) | #3D5E9C | 0.040 |
| Tritanopia (no blue cones) | #00767C | 0.075 |
| Achromatopsia (no color) | #646464 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13699D
#13699D
oklch(50% 0.112 242.3)
- #8F5207
#8F5207
oklch(49.9% 0.112 62.3)
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 #13699D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.015
- Ocean Blue #03719C ΔE 0.024
- Denim #3B638C ΔE 0.036
- Mid Blue #276AB3 ΔE 0.038
- Sea Blue #047495 ΔE 0.038
- Muted Blue #3B719F ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
Use #13699D 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.