#135FA0
Closest named color: Peacock Blue (#016795). oklch(47.7% 0.126 250.2), rgb(19, 95, 160).
Aa
White text reads best on this color (6.62:1).
About this color
#135FA0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.126 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.032 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #135FA0 |
| RGB | rgb(19, 95, 160) |
| HSL | hsl(208, 79%, 35%) |
| OKLCH | oklch(47.7% 0.126 250.2) |
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 #135FA0 | 6.62:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #135FA0 | 3.17:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #135FA0 text on white | 6.62:1 | AA | Lc 82.2 | Fine for body text |
| #135FA0 text on black | 3.17:1 | AA large text | Lc -19.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E7
oklch(80.9% 0.061 250.9)
-
Step 400
400
#71A5DB
oklch(70.7% 0.097 250.2)
-
Step 500
500
#498ED1
oklch(63.2% 0.123 249.8)
-
Step 600
600
#2776BF
oklch(55.5% 0.136 250.4)
-
Step 700
700 (this color)
#135FA0
oklch(47.7% 0.126 250.2)
-
Step 800
800
#185185
oklch(42.6% 0.104 250.2)
-
Step 900
900
#1B446B
oklch(37.8% 0.081 249.9)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#135FA0 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) | #3F63A3 | 0.038 |
| Deuteranopia (no green cones) | #27579F | 0.023 |
| Tritanopia (no blue cones) | #006F77 | 0.093 |
| Achromatopsia (no color) | #5D5D5D | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #135FA0
#135FA0
oklch(47.7% 0.126 250.2)
- #815100
#815100
oklch(47.8% 0.103 70.5)
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 #135FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.040
- Dusk Blue #26538D ΔE 0.042
- Mid Blue #276AB3 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.047
- Denim #3B638C ΔE 0.047
- Ocean Blue #03719C ΔE 0.055
Use #135FA0 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.