#134773
Closest named color: Twilight Blue (#0A437A). oklch(38.8% 0.092 248.6), rgb(19, 71, 115).
Aa
White text reads best on this color (9.64:1).
About this color
#134773 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.64:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #134773 |
| RGB | rgb(19, 71, 115) |
| HSL | hsl(208, 72%, 26%) |
| OKLCH | oklch(38.8% 0.092 248.6) |
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 #134773 | 9.64:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #134773 | 2.17:1 | Fails | Lc 12.0 | Not readable |
| #134773 text on white | 9.64:1 | AAA | Lc 92.0 | Preferred for body text |
| #134773 text on black | 2.17:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF2
oklch(88.5% 0.038 248.3)
-
Step 300
300
#9EC5EC
oklch(80.9% 0.069 248.7)
-
Step 400
400
#67A6E2
oklch(70.7% 0.11 248.5)
-
Step 500
500
#378EDA
oklch(63.1% 0.141 248.6)
-
Step 600
600
#0077C7
oklch(55.7% 0.152 248.5)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900 (this color)
#134773
oklch(38.8% 0.092 248.6)
-
Step 950
950
#0C2841
oklch(27% 0.058 248.6)
#134773 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) | #324975 | 0.031 |
| Deuteranopia (no green cones) | #244172 | 0.021 |
| Tritanopia (no blue cones) | #005257 | 0.068 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134773
#134773
oklch(38.8% 0.092 248.6)
- #613A00
#613A00
oklch(38.7% 0.085 68.3)
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 #134773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Light Navy #155084 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.043
- Cobalt #1E488F ΔE 0.049
- Marine Blue #01386A ΔE 0.050
- Charcoal #264653 ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
Use #134773 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.