#5B97D9
Closest named color: Cornflower Blue (#6495ED). oklch(66.4% 0.117 252), rgb(91, 151, 217).
Aa
Black text reads best on this color (6.87:1).
About this color
#5B97D9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.117 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.034 away. Black text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #5B97D9 |
| RGB | rgb(91, 151, 217) |
| HSL | hsl(211, 62%, 60%) |
| OKLCH | oklch(66.4% 0.117 252) |
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 #5B97D9 | 3.05:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #5B97D9 | 6.87:1 | AA | Lc 46.8 | Large or bold text, headings |
| #5B97D9 text on white | 3.05:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #5B97D9 text on black | 6.87:1 | AA | Lc -44.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A6C4E5
oklch(80.9% 0.057 251)
-
Step 400
400
#76A4D8
oklch(70.6% 0.091 252.1)
-
Step 500
500 (this color)
#5B97D9
oklch(66.4% 0.117 252)
-
Step 600
600
#3376BB
oklch(55.7% 0.127 251.7)
-
Step 700
700
#2563A1
oklch(49.2% 0.118 251.5)
-
Step 800
800
#215183
oklch(42.8% 0.098 252)
-
Step 900
900
#204369
oklch(37.6% 0.077 252.2)
-
Step 950
950
#14283D
oklch(27.1% 0.047 251)
#5B97D9 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) | #7B9ADC | 0.038 |
| Deuteranopia (no green cones) | #6B8ED8 | 0.027 |
| Tritanopia (no blue cones) | #00A6AE | 0.099 |
| Achromatopsia (no color) | #939393 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B97D9
#5B97D9
oklch(66.4% 0.117 252)
- #BF8637
#BF8637
oklch(66.3% 0.117 71.8)
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 #5B97D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.040
- Faded Blue #658CBB ΔE 0.048
- Soft Blue #6488EA ΔE 0.052
- Cool Blue #4984B8 ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.072
- Water Blue #0E87CC ΔE 0.073
Use #5B97D9 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.