#5687BC
Closest named color: Cool Blue (#4984B8). oklch(61.1% 0.097 251.4), rgb(86, 135, 188).
Aa
Black text reads best on this color (5.58:1).
About this color
#5687BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.017 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #5687BC |
| RGB | rgb(86, 135, 188) |
| HSL | hsl(211, 43%, 54%) |
| OKLCH | oklch(61.1% 0.097 251.4) |
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 #5687BC | 3.75:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #5687BC | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #5687BC text on white | 3.75:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #5687BC text on black | 5.58:1 | AA | Lc -36.7 | 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
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ABC3DF
oklch(80.8% 0.048 252.4)
-
Step 400
400
#7EA4CF
oklch(70.7% 0.076 252)
-
Step 500
500 (this color)
#5687BC
oklch(61.1% 0.097 251.4)
-
Step 600
600
#4176AF
oklch(55.5% 0.106 251.8)
-
Step 700
700
#336396
oklch(49% 0.098 251.7)
-
Step 800
800
#2B517A
oklch(42.7% 0.081 251.8)
-
Step 900
900
#274362
oklch(37.6% 0.063 252.1)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#5687BC 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) | #7189BE | 0.033 |
| Deuteranopia (no green cones) | #647FBB | 0.025 |
| Tritanopia (no blue cones) | #179399 | 0.085 |
| Achromatopsia (no color) | #848484 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5687BC
#5687BC
oklch(61.1% 0.097 251.4)
- #A8793C
#A8793C
oklch(61.1% 0.097 71.3)
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 #5687BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.017
- Off Blue #5684AE ΔE 0.021
- Dusty Blue #5A86AD ΔE 0.023
- Faded Blue #658CBB ΔE 0.024
- Steel Blue #4682B4 ΔE 0.025
- Water Blue #0E87CC ΔE 0.049
- Blue NCS #118AB2 ΔE 0.049
- Silver Lake Blue #778DA9 ΔE 0.054
Use #5687BC 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.