#5597BB
Closest named color: Faded Blue (#658CBB). oklch(64.7% 0.086 234.1), rgb(85, 151, 187).
Aa
Black text reads best on this color (6.53:1).
About this color
#5597BB is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.086 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.033 away. Black text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #5597BB |
| RGB | rgb(85, 151, 187) |
| HSL | hsl(201, 43%, 53%) |
| OKLCH | oklch(64.7% 0.086 234.1) |
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 #5597BB | 3.21:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #5597BB | 6.53:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #5597BB text on white | 3.21:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #5597BB text on black | 6.53:1 | AA | Lc -42.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400
#76A8C5
oklch(70.7% 0.068 234.5)
-
Step 500
500 (this color)
#5597BB
oklch(64.7% 0.086 234.1)
-
Step 600
600
#317CA2
oklch(55.7% 0.094 234.2)
-
Step 700
700
#22688B
oklch(49.1% 0.088 234.7)
-
Step 800
800
#1F5570
oklch(42.7% 0.072 233.9)
-
Step 900
900
#20465B
oklch(37.6% 0.056 235.2)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#5597BB 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) | #8696BD | 0.056 |
| Deuteranopia (no green cones) | #788BBA | 0.048 |
| Tritanopia (no blue cones) | #05A1A3 | 0.067 |
| Achromatopsia (no color) | #8F8F8F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5597BB
#5597BB
oklch(64.7% 0.086 234.1)
- #B8805B
#B8805B
oklch(64.8% 0.086 54)
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 #5597BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.033
- Silver Lake Blue #778DA9 ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.047
- Blue Grey #758DA3 ΔE 0.047
- Greyblue #77A1B5 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.052
- Off Blue #5684AE ΔE 0.053
- Cool Blue #4984B8 ΔE 0.057
Use #5597BB 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.