#3A54A5
Closest named color: Denim Blue (#3B5B92). oklch(47% 0.134 267.6), rgb(58, 84, 165).
Aa
White text reads best on this color (7.02:1).
About this color
#3A54A5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.134 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.039 away. White text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.99:1 |
| White text | 7.02:1 |
Values
| HEX | #3A54A5 |
| RGB | rgb(58, 84, 165) |
| HSL | hsl(225, 48%, 44%) |
| OKLCH | oklch(47% 0.134 267.6) |
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 #3A54A5 | 7.02:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #3A54A5 | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #3A54A5 text on white | 7.02:1 | AAA | Lc 84.0 | Fine for body text |
| #3A54A5 text on black | 2.99:1 | Fails | Lc -17.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0EB
oklch(80.9% 0.064 267.2)
-
Step 400
400
#849EE2
oklch(70.6% 0.104 267.7)
-
Step 500
500
#6685D9
oklch(63.1% 0.132 267.3)
-
Step 600
600
#4F6DC7
oklch(55.7% 0.144 267.7)
-
Step 700
700 (this color)
#3A54A5
oklch(47% 0.134 267.6)
-
Step 800
800
#344A8B
oklch(42.6% 0.111 267.5)
-
Step 900
900
#2D3E6F
oklch(37.5% 0.087 267.7)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#3A54A5 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) | #2A5EA8 | 0.029 |
| Deuteranopia (no green cones) | #1254A3 | 0.033 |
| Tritanopia (no blue cones) | #006774 | 0.114 |
| Achromatopsia (no color) | #595959 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A54A5
#3A54A5
oklch(47% 0.134 267.6)
- #715600
#715600
oklch(46.8% 0.096 87.4)
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 #3A54A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.039
- Dusk Blue #26538D ΔE 0.046
- Twilight #4E518B ΔE 0.048
- Dusky Blue #475F94 ΔE 0.049
- Blueberry #464196 ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.055
- Cobalt #1E488F ΔE 0.059
- Mid Blue #276AB3 ΔE 0.060
Use #3A54A5 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.