#134A72
Closest named color: Twilight Blue (#0A437A). oklch(39.5% 0.088 245.2), rgb(19, 74, 114).
Aa
White text reads best on this color (9.33:1).
About this color
#134A72 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.029 away. White text reads best on it, at 9.33:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.25:1 |
| White text | 9.33:1 |
Values
| HEX | #134A72 |
| RGB | rgb(19, 74, 114) |
| HSL | hsl(205, 71%, 26%) |
| OKLCH | oklch(39.5% 0.088 245.2) |
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 #134A72 | 9.33:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #134A72 | 2.25:1 | Fails | Lc 12.8 | Not readable |
| #134A72 text on white | 9.33:1 | AAA | Lc 91.2 | Preferred for body text |
| #134A72 text on black | 2.25:1 | Fails | Lc -11.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C6DCF0
oklch(88.4% 0.036 245.7)
-
Step 300
300
#9EC6E9
oklch(81% 0.065 245.1)
-
Step 400
400
#65A7DE
oklch(70.7% 0.106 245.2)
-
Step 500
500
#3490D5
oklch(63.1% 0.134 245.2)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900 (this color)
#134A72
oklch(39.5% 0.088 245.2)
-
Step 950
950
#0A2940
oklch(27.1% 0.056 244.7)
#134A72 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) | #374B74 | 0.036 |
| Deuteranopia (no green cones) | #2A4371 | 0.026 |
| Tritanopia (no blue cones) | #005458 | 0.063 |
| Achromatopsia (no color) | #474747 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134A72
#134A72
oklch(39.5% 0.088 245.2)
- #663B02
#663B02
oklch(39.6% 0.088 65.1)
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 #134A72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.029
- Light Navy #155084 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.040
- Cobalt #1E488F ΔE 0.052
- Charcoal #264653 ΔE 0.052
- Dusk Blue #26538D ΔE 0.054
- Marine Blue #01386A ΔE 0.059
Use #134A72 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.