#53678B
Closest named color: Denim (#3B638C). oklch(51.2% 0.062 261.9), rgb(83, 103, 139).
Aa
White text reads best on this color (5.70:1).
About this color
#53678B is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.062 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.033 away. White text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #53678B |
| RGB | rgb(83, 103, 139) |
| HSL | hsl(219, 25%, 44%) |
| OKLCH | oklch(51.2% 0.062 261.9) |
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 #53678B | 5.70:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #53678B | 3.68:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #53678B text on white | 5.70:1 | AA | Lc 78.5 | Fine for body text |
| #53678B text on black | 3.68:1 | AA large text | Lc -23.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D5
oklch(80.9% 0.031 262.5)
-
Step 400
400
#90A1BF
oklch(70.6% 0.048 261.8)
-
Step 500
500
#758AAF
oklch(63.1% 0.061 261.6)
-
Step 600
600
#5E749B
oklch(55.7% 0.066 261.6)
-
Step 700
700 (this color)
#53678B
oklch(51.2% 0.062 261.9)
-
Step 800
800
#3F4F6C
oklch(42.7% 0.053 262)
-
Step 900
900
#364257
oklch(37.7% 0.039 261.5)
-
Step 950
950
#202733
oklch(27.1% 0.025 261.1)
#53678B 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) | #5A698D | 0.012 |
| Deuteranopia (no green cones) | #54648A | 0.009 |
| Tritanopia (no blue cones) | #406F73 | 0.057 |
| Achromatopsia (no color) | #666666 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53678B
#53678B
oklch(51.2% 0.062 261.9)
- #79633C
#79633C
oklch(51.2% 0.062 81)
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 #53678B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.033
- Metallic Blue #4F738E ΔE 0.034
- Dusky Blue #475F94 ΔE 0.035
- Slate #516572 ΔE 0.040
- Muted Blue #3B719F ΔE 0.042
- Dull Blue #49759C ΔE 0.042
- Dusty Grape #545775 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
Use #53678B 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.