#5998B6
Closest named color: Faded Blue (#658CBB). oklch(64.9% 0.079 230.3), rgb(89, 152, 182).
Aa
Black text reads best on this color (6.59:1).
About this color
#5998B6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.079 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.59:1 |
| White text | 3.18:1 |
Values
| HEX | #5998B6 |
| RGB | rgb(89, 152, 182) |
| HSL | hsl(199, 39%, 53%) |
| OKLCH | oklch(64.9% 0.079 230.3) |
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 #5998B6 | 3.18:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #5998B6 | 6.59:1 | AA | Lc 45.2 | Large or bold text, headings |
| #5998B6 text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #5998B6 text on black | 6.59:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400
#78A8C0
oklch(70.6% 0.062 230.4)
-
Step 500
500 (this color)
#5998B6
oklch(64.9% 0.079 230.3)
-
Step 600
600
#357C9C
oklch(55.5% 0.086 230.6)
-
Step 700
700
#276985
oklch(49.2% 0.079 229.7)
-
Step 800
800
#22556C
oklch(42.6% 0.066 230.6)
-
Step 900
900
#224758
oklch(37.8% 0.051 230)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#5998B6 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) | #8996B8 | 0.056 |
| Deuteranopia (no green cones) | #7C8CB6 | 0.049 |
| Tritanopia (no blue cones) | #24A0A2 | 0.057 |
| Achromatopsia (no color) | #909090 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5998B6
#5998B6
oklch(64.9% 0.079 230.3)
- #B68163
#B68163
oklch(64.9% 0.078 50.4)
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 #5998B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.050
- Off Blue #5684AE ΔE 0.057
- Light Slate Gray #778899 ΔE 0.057
Use #5998B6 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.