#53678F
Closest named color: Dusky Blue (#475F94). oklch(51.4% 0.068 263.7), rgb(83, 103, 143).
Aa
White text reads best on this color (5.66:1).
About this color
#53678F is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.068 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.032 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #53678F |
| RGB | rgb(83, 103, 143) |
| HSL | hsl(220, 27%, 44%) |
| OKLCH | oklch(51.4% 0.068 263.7) |
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 #53678F | 5.66:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #53678F | 3.70:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #53678F text on white | 5.66:1 | AA | Lc 78.3 | Fine for body text |
| #53678F text on black | 3.70:1 | AA large text | Lc -23.5 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B6C1D7
oklch(80.9% 0.033 264.4)
-
Step 400
400
#90A1C2
oklch(70.7% 0.052 263.6)
-
Step 500
500
#7489B3
oklch(63% 0.068 263.9)
-
Step 600
600
#5D739F
oklch(55.6% 0.074 263.7)
-
Step 700
700 (this color)
#53678F
oklch(51.4% 0.068 263.7)
-
Step 800
800
#3F4F6E
oklch(42.8% 0.056 263.2)
-
Step 900
900
#354159
oklch(37.5% 0.044 263.8)
-
Step 950
950
#1F2634
oklch(26.8% 0.028 263.9)
#53678F 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) | #596A91 | 0.013 |
| Deuteranopia (no green cones) | #53648E | 0.009 |
| Tritanopia (no blue cones) | #3F6F75 | 0.060 |
| Achromatopsia (no color) | #676767 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53678F
#53678F
oklch(51.4% 0.068 263.7)
- #7A6437
#7A6437
oklch(51.4% 0.069 84)
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 #53678F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.032
- Denim #3B638C ΔE 0.033
- Metallic Blue #4F738E ΔE 0.036
- Muted Blue #3B719F ΔE 0.039
- Dull Blue #49759C ΔE 0.041
- Slate #516572 ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.048
- French Blue #436BAD ΔE 0.048
Use #53678F 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.