#5584AB
Closest named color: Off Blue (#5684AE). oklch(59.6% 0.079 244.7), rgb(85, 132, 171).
Aa
Black text reads best on this color (5.27:1).
About this color
#5584AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.079 and its hue 245°. 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 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #5584AB |
| RGB | rgb(85, 132, 171) |
| HSL | hsl(207, 34%, 50%) |
| OKLCH | oklch(59.6% 0.079 244.7) |
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 #5584AB | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #5584AB | 5.27:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #5584AB text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #5584AB text on black | 5.27:1 | AA | Lc -34.6 | 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
#ADC4D8
oklch(80.9% 0.038 244.5)
-
Step 400
400
#80A5C5
oklch(70.6% 0.062 244.9)
-
Step 500
500 (this color)
#5584AB
oklch(59.6% 0.079 244.7)
-
Step 600
600
#4578A2
oklch(55.5% 0.086 245.1)
-
Step 700
700
#36658B
oklch(49.1% 0.08 244.9)
-
Step 800
800
#2D5371
oklch(42.8% 0.066 244.1)
-
Step 900
900
#29445B
oklch(37.6% 0.052 245.5)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#5584AB 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) | #7484AD | 0.038 |
| Deuteranopia (no green cones) | #687CAA | 0.030 |
| Tritanopia (no blue cones) | #2A8D91 | 0.066 |
| Achromatopsia (no color) | #7F7F7F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5584AB
#5584AB
oklch(59.6% 0.079 244.7)
- #A0754B
#A0754B
oklch(59.6% 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 #5584AB, 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 0.009
- Steel Blue #4682B4 ΔE 0.022
- Cool Blue #4984B8 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.032
- Cerulean #457B9D ΔE 0.037
- Faded Blue #658CBB ΔE 0.037
- Blue NCS #118AB2 ΔE 0.043
Use #5584AB 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.