#5585AC
Closest named color: Off Blue (#5684AE). oklch(59.8% 0.079 244.2), rgb(85, 133, 172).
Aa
Black text reads best on this color (5.33:1).
About this color
#5585AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.079 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.005 away. Black text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #5585AC |
| RGB | rgb(85, 133, 172) |
| HSL | hsl(207, 34%, 50%) |
| OKLCH | oklch(59.8% 0.079 244.2) |
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 #5585AC | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #5585AC | 5.33:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #5585AC text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #5585AC text on black | 5.33:1 | AA | Lc -35.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ACC4D8
oklch(80.9% 0.039 243.3)
-
Step 400
400
#80A5C5
oklch(70.6% 0.062 244.9)
-
Step 500
500 (this color)
#5585AC
oklch(59.8% 0.079 244.2)
-
Step 600
600
#4479A2
oklch(55.7% 0.086 243.5)
-
Step 700
700
#35658B
oklch(49% 0.081 244.4)
-
Step 800
800
#2D5371
oklch(42.8% 0.066 244.1)
-
Step 900
900
#29455B
oklch(37.8% 0.051 243.4)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#5585AC 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) | #7485AE | 0.038 |
| Deuteranopia (no green cones) | #697CAB | 0.032 |
| Tritanopia (no blue cones) | #298E92 | 0.066 |
| Achromatopsia (no color) | #808080 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5585AC
#5585AC
oklch(59.8% 0.079 244.2)
- #A1764C
#A1764C
oklch(59.9% 0.079 64.7)
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 #5585AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.005
- Dusty Blue #5A86AD ΔE 0.007
- Cool Blue #4984B8 ΔE 0.022
- Steel Blue #4682B4 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.035
- Faded Blue #658CBB ΔE 0.035
- Cerulean #457B9D ΔE 0.040
- Blue NCS #118AB2 ΔE 0.043
Use #5585AC 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.