#134975
Closest named color: Twilight Blue (#0A437A). oklch(39.5% 0.092 247.9), rgb(19, 73, 117).
Aa
White text reads best on this color (9.38:1).
About this color
#134975 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.023 away. White text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #134975 |
| RGB | rgb(19, 73, 117) |
| HSL | hsl(207, 72%, 27%) |
| OKLCH | oklch(39.5% 0.092 247.9) |
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 #134975 | 9.38:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #134975 | 2.23:1 | Fails | Lc 12.6 | Not readable |
| #134975 text on white | 9.38:1 | AAA | Lc 91.3 | Preferred for body text |
| #134975 text on black | 2.23:1 | Fails | Lc -11.0 | 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
#9DC5EC
oklch(80.8% 0.07 248.1)
-
Step 400
400
#65A6E2
oklch(70.6% 0.111 247.8)
-
Step 500
500
#348FDA
oklch(63.2% 0.141 247.5)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900 (this color)
#134975
oklch(39.5% 0.092 247.9)
-
Step 950
950
#0B2841
oklch(26.9% 0.058 248)
#134975 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) | #344B77 | 0.033 |
| Deuteranopia (no green cones) | #264274 | 0.024 |
| Tritanopia (no blue cones) | #005459 | 0.068 |
| Achromatopsia (no color) | #464646 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134975
#134975
oklch(39.5% 0.092 247.9)
- #643C00
#643C00
oklch(39.5% 0.086 68.4)
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 #134975, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.023
- Light Navy #155084 ΔE 0.031
- Deep Sea Blue #015482 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.045
- Cobalt #1E488F ΔE 0.046
- Dusk Blue #26538D ΔE 0.051
- Marine Blue #01386A ΔE 0.056
- Charcoal #264653 ΔE 0.058
Use #134975 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.