#5787BD
Closest named color: Cool Blue (#4984B8). oklch(61.2% 0.098 252.3), rgb(87, 135, 189).
Aa
Black text reads best on this color (5.60:1).
About this color
#5787BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.098 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.019 away. Black text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #5787BD |
| RGB | rgb(87, 135, 189) |
| HSL | hsl(212, 44%, 54%) |
| OKLCH | oklch(61.2% 0.098 252.3) |
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 #5787BD | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #5787BD | 5.60:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #5787BD text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #5787BD text on black | 5.60:1 | AA | Lc -36.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ABC3DF
oklch(80.8% 0.048 252.4)
-
Step 400
400
#7EA4D0
oklch(70.7% 0.077 252.5)
-
Step 500
500 (this color)
#5787BD
oklch(61.2% 0.098 252.3)
-
Step 600
600
#4276B0
oklch(55.6% 0.107 252.5)
-
Step 700
700
#336397
oklch(49.1% 0.099 252.1)
-
Step 800
800
#2B517A
oklch(42.7% 0.081 251.8)
-
Step 900
900
#274363
oklch(37.6% 0.065 252.8)
-
Step 950
950
#17283A
oklch(27.1% 0.041 250.8)
#5787BD 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) | #7189BF | 0.032 |
| Deuteranopia (no green cones) | #647FBC | 0.025 |
| Tritanopia (no blue cones) | #1A939A | 0.085 |
| Achromatopsia (no color) | #848484 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5787BD
#5787BD
oklch(61.2% 0.098 252.3)
- #A87A3C
#A87A3C
oklch(61.3% 0.098 72.3)
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 #5787BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.019
- Off Blue #5684AE ΔE 0.023
- Faded Blue #658CBB ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.024
- Steel Blue #4682B4 ΔE 0.027
- Water Blue #0E87CC ΔE 0.049
- Blue NCS #118AB2 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.054
Use #5787BD 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.