#136FA9
Closest named color: Ocean Blue (#03719C). oklch(52.1% 0.121 243.7), rgb(19, 111, 169).
Aa
White text reads best on this color (5.42:1).
About this color
#136FA9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.121 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.024 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #136FA9 |
| RGB | rgb(19, 111, 169) |
| HSL | hsl(203, 80%, 37%) |
| OKLCH | oklch(52.1% 0.121 243.7) |
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 #136FA9 | 5.42:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #136FA9 | 3.87:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #136FA9 text on white | 5.42:1 | AA | Lc 76.5 | Fine for body text |
| #136FA9 text on black | 3.87:1 | AA large text | Lc -25.2 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E4
oklch(81% 0.058 243)
-
Step 400
400
#6CA7D7
oklch(70.7% 0.094 244.2)
-
Step 500
500
#3F90CC
oklch(63% 0.12 243.9)
-
Step 600
600
#1379B9
oklch(55.5% 0.131 243.9)
-
Step 700
700 (this color)
#136FA9
oklch(52.1% 0.121 243.7)
-
Step 800
800
#0A5381
oklch(42.6% 0.1 244)
-
Step 900
900
#154568
oklch(37.7% 0.079 244.5)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#136FA9 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) | #5371AB | 0.052 |
| Deuteranopia (no green cones) | #3E64A8 | 0.039 |
| Tritanopia (no blue cones) | #007D84 | 0.082 |
| Achromatopsia (no color) | #6A6A6A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136FA9
#136FA9
oklch(52.1% 0.121 243.7)
- #975800
#975800
oklch(52.1% 0.118 64.2)
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 #136FA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.024
- Mid Blue #276AB3 ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.030
- Muted Blue #3B719F ΔE 0.031
- Nice Blue #107AB0 ΔE 0.032
- French Blue #436BAD ΔE 0.035
- Peacock Blue #016795 ΔE 0.038
- Sea Blue #047495 ΔE 0.039
Use #136FA9 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.