#354C98
Closest named color: Dusk Blue (#26538D). oklch(44% 0.127 268.2), rgb(53, 76, 152).
Aa
White text reads best on this color (7.95:1).
About this color
#354C98 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.127 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.032 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #354C98 |
| RGB | rgb(53, 76, 152) |
| HSL | hsl(226, 48%, 40%) |
| OKLCH | oklch(44% 0.127 268.2) |
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 #354C98 | 7.95:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #354C98 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #354C98 text on white | 7.95:1 | AAA | Lc 87.3 | Fine for body text |
| #354C98 text on black | 2.63:1 | Fails | Lc -14.8 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F2
oklch(81% 0.074 267.7)
-
Step 400
400
#819DEB
oklch(70.7% 0.119 268.2)
-
Step 500
500
#6283E5
oklch(63.2% 0.152 267.9)
-
Step 600
600
#4B6AD3
oklch(55.7% 0.165 268.3)
-
Step 700
700
#3C58B7
oklch(49.2% 0.154 268)
-
Step 800
800 (this color)
#354C98
oklch(44% 0.127 268.2)
-
Step 900
900
#2B3D76
oklch(37.7% 0.1 268.2)
-
Step 950
950
#192445
oklch(26.9% 0.063 268.1)
#354C98 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) | #23569B | 0.030 |
| Deuteranopia (no green cones) | #0C4D96 | 0.033 |
| Tritanopia (no blue cones) | #005E6A | 0.109 |
| Achromatopsia (no color) | #515151 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354C98
#354C98
oklch(44% 0.127 268.2)
- #674F00
#674F00
oklch(44% 0.09 88.4)
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 #354C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.032
- Cobalt #1E488F ΔE 0.032
- Blueberry #464196 ΔE 0.034
- Twilight #4E518B ΔE 0.045
- Light Navy #155084 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.052
Use #354C98 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.