#3554A9
Closest named color: Denim Blue (#3B5B92). oklch(47% 0.141 266), rgb(53, 84, 169).
Aa
White text reads best on this color (7.01:1).
About this color
#3554A9 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.141 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.046 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #3554A9 |
| RGB | rgb(53, 84, 169) |
| HSL | hsl(224, 52%, 44%) |
| OKLCH | oklch(47% 0.141 266) |
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 #3554A9 | 7.01:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #3554A9 | 2.99:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #3554A9 text on white | 7.01:1 | AAA | Lc 84.0 | Fine for body text |
| #3554A9 text on black | 2.99:1 | Fails | Lc -18.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC0EE
oklch(80.9% 0.069 266.5)
-
Step 400
400
#819FE5
oklch(70.8% 0.108 266)
-
Step 500
500
#6185DE
oklch(63.1% 0.14 265.9)
-
Step 600
600
#496DCB
oklch(55.6% 0.151 265.9)
-
Step 700
700 (this color)
#3554A9
oklch(47% 0.141 266)
-
Step 800
800
#304A8E
oklch(42.6% 0.117 265.9)
-
Step 900
900
#2B3F72
oklch(37.8% 0.091 266.1)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#3554A9 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) | #245EAC | 0.028 |
| Deuteranopia (no green cones) | #0054A7 | 0.033 |
| Tritanopia (no blue cones) | #006876 | 0.116 |
| Achromatopsia (no color) | #595959 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3554A9
#3554A9
oklch(47% 0.141 266)
- #735600
#735600
oklch(47.1% 0.096 85.8)
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 #3554A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.046
- Dusk Blue #26538D ΔE 0.049
- Dusky Blue #475F94 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Blueberry #464196 ΔE 0.056
- Mid Blue #276AB3 ΔE 0.059
- Cobalt #1E488F ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.060
Use #3554A9 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.