#5598BA
Closest named color: Faded Blue (#658CBB). oklch(64.9% 0.085 232.2), rgb(85, 152, 186).
Aa
Black text reads best on this color (6.58:1).
About this color
#5598BA is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.085 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #5598BA |
| RGB | rgb(85, 152, 186) |
| HSL | hsl(200, 42%, 53%) |
| OKLCH | oklch(64.9% 0.085 232.2) |
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 #5598BA | 3.18:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #5598BA | 6.58:1 | AA | Lc 45.2 | Large or bold text, headings |
| #5598BA text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #5598BA text on black | 6.58:1 | AA | Lc -42.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#76A8C3
oklch(70.6% 0.066 232.5)
-
Step 500
500 (this color)
#5598BA
oklch(64.9% 0.085 232.2)
-
Step 600
600
#307CA0
oklch(55.5% 0.092 232.5)
-
Step 700
700
#216989
oklch(49.2% 0.086 231.8)
-
Step 800
800
#1E556F
oklch(42.6% 0.071 232.5)
-
Step 900
900
#1F475A
oklch(37.8% 0.055 231.4)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#5598BA 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) | #8796BC | 0.057 |
| Deuteranopia (no green cones) | #798BBA | 0.051 |
| Tritanopia (no blue cones) | #07A1A3 | 0.064 |
| Achromatopsia (no color) | #909090 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5598BA
#5598BA
oklch(64.9% 0.085 232.2)
- #B8805D
#B8805D
oklch(64.8% 0.085 52.7)
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 #5598BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.047
- Greyblue #77A1B5 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.050
- Off Blue #5684AE ΔE 0.056
- Cool Blue #4984B8 ΔE 0.060
Use #5598BA 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.