#598FA8
Closest named color: Dusty Blue (#5A86AD). oklch(62.2% 0.069 229.1), rgb(89, 143, 168).
Aa
Black text reads best on this color (5.91:1).
About this color
#598FA8 is a medium-light, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.069 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #598FA8 |
| RGB | rgb(89, 143, 168) |
| HSL | hsl(199, 31%, 50%) |
| OKLCH | oklch(62.2% 0.069 229.1) |
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 #598FA8 | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #598FA8 | 5.91:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #598FA8 text on white | 3.54:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #598FA8 text on black | 5.91:1 | AA | Lc -38.7 | 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
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400
#7EA8BC
oklch(70.8% 0.054 228.8)
-
Step 500
500 (this color)
#598FA8
oklch(62.2% 0.069 229.1)
-
Step 600
600
#407C96
oklch(55.7% 0.074 228.5)
-
Step 700
700
#316880
oklch(49% 0.069 229.1)
-
Step 800
800
#2A5568
oklch(42.7% 0.057 229)
-
Step 900
900
#274655
oklch(37.7% 0.045 230.6)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#598FA8 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) | #828DA9 | 0.050 |
| Deuteranopia (no green cones) | #7784A8 | 0.045 |
| Tritanopia (no blue cones) | #349697 | 0.049 |
| Achromatopsia (no color) | #888888 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598FA8
#598FA8
oklch(62.2% 0.069 229.1)
- #A97B62
#A97B62
oklch(62.2% 0.068 49.6)
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 #598FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Blue Grey #758DA3 ΔE 0.032
- Silver Lake Blue #778DA9 ΔE 0.035
- Faded Blue #658CBB ΔE 0.036
- Off Blue #5684AE ΔE 0.036
- Light Slate Gray #778899 ΔE 0.039
- Steel #738595 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.049
Use #598FA8 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.