#134E8B
Closest named color: Light Navy (#155084). oklch(42.2% 0.117 253.3), rgb(19, 78, 139).
Aa
White text reads best on this color (8.43:1).
About this color
#134E8B is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.014 away. White text reads best on it, at 8.43:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.49:1 |
| White text | 8.43:1 |
Values
| HEX | #134E8B |
| RGB | rgb(19, 78, 139) |
| HSL | hsl(211, 76%, 31%) |
| OKLCH | oklch(42.2% 0.117 253.3) |
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 #134E8B | 8.43:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #134E8B | 2.49:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #134E8B text on white | 8.43:1 | AAA | Lc 88.6 | Fine for body text |
| #134E8B text on black | 2.49:1 | Fails | Lc -13.6 | Not readable |
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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A2C4EC
oklch(80.9% 0.068 252.7)
-
Step 400
400
#6EA4E3
oklch(70.7% 0.109 253.1)
-
Step 500
500
#458CDB
oklch(63.1% 0.139 253)
-
Step 600
600
#2374C9
oklch(55.6% 0.152 253.4)
-
Step 700
700
#1461AE
oklch(49.1% 0.142 253.3)
-
Step 800
800 (this color)
#134E8B
oklch(42.2% 0.117 253.3)
-
Step 900
900
#194370
oklch(37.8% 0.09 252.7)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#134E8B 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) | #2F538D | 0.029 |
| Deuteranopia (no green cones) | #18488A | 0.017 |
| Tritanopia (no blue cones) | #005D65 | 0.089 |
| Achromatopsia (no color) | #4D4D4D | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134E8B
#134E8B
oklch(42.2% 0.117 253.3)
- #6B4400
#6B4400
oklch(42.1% 0.09 72.4)
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 #134E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.014
- Cobalt #1E488F ΔE 0.019
- Dusk Blue #26538D ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.026
- Twilight Blue #0A437A ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.057
- Blueberry #464196 ΔE 0.065
Use #134E8B 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.