#545DAA
Closest named color: French Blue (#436BAD). oklch(50.9% 0.122 276.2), rgb(84, 93, 170).
Aa
White text reads best on this color (5.96:1).
About this color
#545DAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.122 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.040 away. White text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #545DAA |
| RGB | rgb(84, 93, 170) |
| HSL | hsl(234, 34%, 50%) |
| OKLCH | oklch(50.9% 0.122 276.2) |
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 #545DAA | 5.96:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #545DAA | 3.52:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #545DAA text on white | 5.96:1 | AA | Lc 79.6 | Fine for body text |
| #545DAA text on black | 3.52:1 | AA large text | Lc -22.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400
#919CDB
oklch(70.8% 0.093 276.1)
-
Step 500
500
#7682D1
oklch(63.1% 0.119 275.9)
-
Step 600
600
#606ABF
oklch(55.7% 0.131 276.2)
-
Step 700
700 (this color)
#545DAA
oklch(50.9% 0.122 276.2)
-
Step 800
800
#414885
oklch(42.7% 0.101 276.3)
-
Step 900
900
#373D6B
oklch(37.8% 0.079 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#545DAA 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) | #3D67AD | 0.035 |
| Deuteranopia (no green cones) | #3560A8 | 0.037 |
| Tritanopia (no blue cones) | #316D7B | 0.107 |
| Achromatopsia (no color) | #646464 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545DAA
#545DAA
oklch(50.9% 0.122 276.2)
- #776500
#776500
oklch(50.9% 0.105 96.9)
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 #545DAA, closest first.
No curated palette has a color within ΔE 0.04 of #545DAA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.040
- Dusky Blue #475F94 ΔE 0.041
- Iris #6258C4 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.052
- Mid Blue #276AB3 ΔE 0.053
- Twilight #4E518B ΔE 0.057
- Denim #3B638C ΔE 0.064
- Flat Blue #3C73A8 ΔE 0.065
Use #545DAA 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.