#3654AC
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.145 266.7), rgb(54, 84, 172).
Aa
White text reads best on this color (6.95:1).
About this color
#3654AC is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.145 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.050 away. White text reads best on it, at 6.95:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #3654AC |
| RGB | rgb(54, 84, 172) |
| HSL | hsl(225, 52%, 44%) |
| OKLCH | oklch(47.3% 0.145 266.7) |
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 #3654AC | 6.95:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #3654AC | 3.02:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #3654AC text on white | 6.95:1 | AA | Lc 83.7 | Fine for body text |
| #3654AC text on black | 3.02:1 | AA large text | Lc -18.2 | 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
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300
#ACC0EF
oklch(80.9% 0.07 266.8)
-
Step 400
400
#809EE7
oklch(70.6% 0.113 266.5)
-
Step 500
500
#6284E0
oklch(63.1% 0.144 267)
-
Step 600
600
#496CCE
oklch(55.6% 0.156 266.6)
-
Step 700
700 (this color)
#3654AC
oklch(47.3% 0.145 266.7)
-
Step 800
800
#314A90
oklch(42.8% 0.119 266.6)
-
Step 900
900
#2B3E73
oklch(37.7% 0.094 267)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#3654AC 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) | #205FAF | 0.031 |
| Deuteranopia (no green cones) | #0054AA | 0.034 |
| Tritanopia (no blue cones) | #006978 | 0.119 |
| Achromatopsia (no color) | #595959 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3654AC
#3654AC
oklch(47.3% 0.145 266.7)
- #735700
#735700
oklch(47.3% 0.097 86.9)
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 #3654AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.050
- Dusk Blue #26538D ΔE 0.054
- Dusky Blue #475F94 ΔE 0.058
- Blueberry #464196 ΔE 0.058
- Mid Blue #276AB3 ΔE 0.059
- Twilight #4E518B ΔE 0.059
- Cobalt #1E488F ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.065
Use #3654AC 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.