#354080
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.108 273.2), rgb(53, 64, 128).
Aa
White text reads best on this color (9.56:1).
About this color
#354080 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.108 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 9.56:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #354080 |
| RGB | rgb(53, 64, 128) |
| HSL | hsl(231, 41%, 35%) |
| OKLCH | oklch(39.7% 0.108 273.2) |
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 #354080 | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #354080 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #354080 text on white | 9.56:1 | AAA | Lc 91.9 | Preferred for body text |
| #354080 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#AFBEF6
oklch(81% 0.081 272.8)
-
Step 400
400
#879AF1
oklch(70.8% 0.129 273.3)
-
Step 500
500
#6A7EEC
oklch(63.1% 0.165 273)
-
Step 600
600
#5464DA
oklch(55.5% 0.18 273.3)
-
Step 700
700
#4552BD
oklch(49% 0.167 273.3)
-
Step 800
800
#384499
oklch(42.6% 0.138 273)
-
Step 900
900 (this color)
#354080
oklch(39.7% 0.108 273.2)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#354080 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) | #214982 | 0.031 |
| Deuteranopia (no green cones) | #16427F | 0.033 |
| Tritanopia (no blue cones) | #074E5A | 0.095 |
| Achromatopsia (no color) | #454545 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354080
#354080
oklch(39.7% 0.108 273.2)
- #564500
#564500
oklch(39.7% 0.081 92.8)
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 #354080, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Twilight Blue #0A437A ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Light Navy #155084 ΔE 0.050
- Dusk Blue #26538D ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.064
- Twilight #4E518B ΔE 0.065
Use #354080 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.