#5987B2
Closest named color: Dusty Blue (#5A86AD). oklch(60.8% 0.083 247.7), rgb(89, 135, 178).
Aa
Black text reads best on this color (5.53:1).
About this color
#5987B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.083 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.007 away. Black text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #5987B2 |
| RGB | rgb(89, 135, 178) |
| HSL | hsl(209, 37%, 52%) |
| OKLCH | oklch(60.8% 0.083 247.7) |
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 #5987B2 | 3.79:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #5987B2 | 5.53:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #5987B2 text on white | 3.79:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #5987B2 text on black | 5.53:1 | AA | Lc -36.3 | 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
#CEDBE8
oklch(88.6% 0.023 248.1)
-
Step 300
300
#ADC4DA
oklch(81% 0.04 247.1)
-
Step 400
400
#81A5C8
oklch(70.8% 0.065 248)
-
Step 500
500 (this color)
#5987B2
oklch(60.8% 0.083 247.7)
-
Step 600
600
#4578A5
oklch(55.7% 0.089 246.8)
-
Step 700
700
#37648E
oklch(49% 0.084 248.4)
-
Step 800
800
#2E5273
oklch(42.7% 0.069 247.8)
-
Step 900
900
#29445D
oklch(37.7% 0.054 247.6)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#5987B2 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) | #7588B4 | 0.035 |
| Deuteranopia (no green cones) | #6A7FB1 | 0.028 |
| Tritanopia (no blue cones) | #2E9196 | 0.070 |
| Achromatopsia (no color) | #838383 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5987B2
#5987B2
oklch(60.8% 0.083 247.7)
- #A4794A
#A4794A
oklch(60.8% 0.083 67.7)
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 #5987B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.007
- Off Blue #5684AE ΔE 0.010
- Cool Blue #4984B8 ΔE 0.022
- Faded Blue #658CBB ΔE 0.024
- Steel Blue #4682B4 ΔE 0.026
- Silver Lake Blue #778DA9 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.045
- Blue NCS #118AB2 ΔE 0.047
Use #5987B2 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.