#5B93CB
Closest named color: Faded Blue (#658CBB). oklch(64.8% 0.103 249.7), rgb(91, 147, 203).
Aa
Black text reads best on this color (6.48:1).
About this color
#5B93CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.103 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.027 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.48:1 |
| White text | 3.24:1 |
Values
| HEX | #5B93CB |
| RGB | rgb(91, 147, 203) |
| HSL | hsl(210, 52%, 58%) |
| OKLCH | oklch(64.8% 0.103 249.7) |
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 #5B93CB | 3.24:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #5B93CB | 6.48:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #5B93CB text on white | 3.24:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #5B93CB text on black | 6.48:1 | AA | Lc -42.2 | 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
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A8C4E1
oklch(80.9% 0.051 249.4)
-
Step 400
400
#79A5D1
oklch(70.7% 0.08 249)
-
Step 500
500 (this color)
#5B93CB
oklch(64.8% 0.103 249.7)
-
Step 600
600
#3977B2
oklch(55.6% 0.112 249.5)
-
Step 700
700
#2B6499
oklch(49.1% 0.104 249.4)
-
Step 800
800
#25527C
oklch(42.8% 0.086 249.1)
-
Step 900
900
#234464
oklch(37.7% 0.068 249.4)
-
Step 950
950
#15283A
oklch(27% 0.042 248.4)
#5B93CB 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) | #7C95CD | 0.039 |
| Deuteranopia (no green cones) | #6D8ACA | 0.029 |
| Tritanopia (no blue cones) | #07A0A6 | 0.090 |
| Achromatopsia (no color) | #8F8F8F | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B93CB
#5B93CB
oklch(64.8% 0.103 249.7)
- #B78343
#B78343
oklch(64.9% 0.103 69.9)
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 #5B93CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.047
- Dusty Blue #5A86AD ΔE 0.052
- Cool Blue #4984B8 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.054
- Off Blue #5684AE ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.055
Use #5B93CB 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.