#136383
Closest named color: Peacock Blue (#016795). oklch(47% 0.088 231), rgb(19, 99, 131).
Aa
White text reads best on this color (6.68:1).
About this color
#136383 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.088 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.029 away. White text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #136383 |
| RGB | rgb(19, 99, 131) |
| HSL | hsl(197, 75%, 29%) |
| OKLCH | oklch(47% 0.088 231) |
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 #136383 | 6.68:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #136383 | 3.14:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #136383 text on white | 6.68:1 | AA | Lc 82.6 | Fine for body text |
| #136383 text on black | 3.14:1 | AA large text | Lc -19.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A6C6D7
oklch(80.9% 0.042 231.1)
-
Step 400
400
#74A9C4
oklch(70.8% 0.068 231.1)
-
Step 500
500
#4C93B5
oklch(63.1% 0.088 231.2)
-
Step 600
600
#2B7DA1
oklch(55.7% 0.095 231.2)
-
Step 700
700 (this color)
#136383
oklch(47% 0.088 231)
-
Step 800
800
#1B5670
oklch(42.8% 0.073 231.3)
-
Step 900
900
#1D475A
oklch(37.7% 0.057 230.4)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#136383 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) | #536285 | 0.060 |
| Deuteranopia (no green cones) | #445883 | 0.049 |
| Tritanopia (no blue cones) | #006C6E | 0.051 |
| Achromatopsia (no color) | #5C5C5C | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136383
#136383
oklch(47% 0.088 231)
- #814B29
#814B29
oklch(46.9% 0.088 51.3)
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 #136383, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.033
- Denim #3B638C ΔE 0.035
- YInMn Blue #415A77 ΔE 0.042
- Petrol #005F6A ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.048
- Dark Aqua #05696B ΔE 0.050
Use #136383 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.