#59668C
Closest named color: Dusky Blue (#475F94). oklch(51.5% 0.063 269.6), rgb(89, 102, 140).
Aa
White text reads best on this color (5.66:1).
About this color
#59668C is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.063 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.037 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #59668C |
| RGB | rgb(89, 102, 140) |
| HSL | hsl(225, 22%, 45%) |
| OKLCH | oklch(51.5% 0.063 269.6) |
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 #59668C | 5.66:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #59668C | 3.70:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #59668C text on white | 5.66:1 | AA | Lc 78.3 | Fine for body text |
| #59668C 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B9C0D5
oklch(80.9% 0.031 271)
-
Step 400
400
#94A0C0
oklch(70.7% 0.049 269)
-
Step 500
500
#7A88B0
oklch(63% 0.063 269.6)
-
Step 600
600
#63729B
oklch(55.6% 0.067 268.7)
-
Step 700
700 (this color)
#59668C
oklch(51.5% 0.063 269.6)
-
Step 800
800
#444E6C
oklch(42.8% 0.052 269.9)
-
Step 900
900
#394157
oklch(37.7% 0.039 269)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#59668C 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) | #5A698E | 0.009 |
| Deuteranopia (no green cones) | #55658B | 0.007 |
| Tritanopia (no blue cones) | #4A6E73 | 0.057 |
| Achromatopsia (no color) | #676767 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59668C
#59668C
oklch(51.5% 0.063 269.6)
- #76663C
#76663C
oklch(51.5% 0.063 89.3)
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 #59668C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Denim #3B638C ΔE 0.040
- Slate #516572 ΔE 0.044
- Dull Blue #49759C ΔE 0.045
- Muted Blue #3B719F ΔE 0.046
- Dusty Grape #545775 ΔE 0.052
- French Blue #436BAD ΔE 0.055
Use #59668C 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.