#354282
Closest named color: Cobalt (#1E488F). oklch(40.3% 0.108 272.1), rgb(53, 66, 130).
Aa
White text reads best on this color (9.32:1).
About this color
#354282 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.108 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.033 away. White text reads best on it, at 9.32:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #354282 |
| RGB | rgb(53, 66, 130) |
| HSL | hsl(230, 42%, 36%) |
| OKLCH | oklch(40.3% 0.108 272.1) |
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 #354282 | 9.32:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #354282 | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #354282 text on white | 9.32:1 | AAA | Lc 91.3 | Preferred for body text |
| #354282 text on black | 2.25:1 | 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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEA
oklch(80.9% 0.063 271.8)
-
Step 400
400
#8B9DE0
oklch(70.8% 0.1 272.1)
-
Step 500
500
#6F83D7
oklch(63.2% 0.128 272.1)
-
Step 600
600
#586BC4
oklch(55.6% 0.139 272.1)
-
Step 700
700
#4859AA
oklch(49.2% 0.13 271.9)
-
Step 800
800 (this color)
#354282
oklch(40.3% 0.108 272.1)
-
Step 900
900
#323D6E
oklch(37.6% 0.085 272.2)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#354282 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) | #234A84 | 0.028 |
| Deuteranopia (no green cones) | #184481 | 0.031 |
| Tritanopia (no blue cones) | #02505B | 0.096 |
| Achromatopsia (no color) | #474747 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354282
#354282
oklch(40.3% 0.108 272.1)
- #584600
#584600
oklch(40.2% 0.082 92)
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 #354282, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.042
- Light Navy #155084 ΔE 0.046
- Dusk Blue #26538D ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.059
- Twilight #4E518B ΔE 0.060
Use #354282 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.