#598EA0
Closest named color: Blue Grey (#758DA3). oklch(61.6% 0.062 221.6), rgb(89, 142, 160).
Aa
Black text reads best on this color (5.80:1).
About this color
#598EA0 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.062 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.034 away. Black text reads best on it, at 5.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #598EA0 |
| RGB | rgb(89, 142, 160) |
| HSL | hsl(195, 29%, 49%) |
| OKLCH | oklch(61.6% 0.062 221.6) |
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 #598EA0 | 3.61:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #598EA0 | 5.80:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #598EA0 text on white | 3.61:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #598EA0 text on black | 5.80:1 | AA | Lc -38.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC6CF
oklch(81% 0.031 220.7)
-
Step 400
400
#7FA8B6
oklch(70.7% 0.049 220.9)
-
Step 500
500 (this color)
#598EA0
oklch(61.6% 0.062 221.6)
-
Step 600
600
#427C90
oklch(55.5% 0.068 222.7)
-
Step 700
700
#33697A
oklch(49.1% 0.063 221)
-
Step 800
800
#2B5663
oklch(42.8% 0.052 219.9)
-
Step 900
900
#284751
oklch(37.8% 0.04 220.6)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#598EA0 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) | #838BA1 | 0.052 |
| Deuteranopia (no green cones) | #7883A0 | 0.046 |
| Tritanopia (no blue cones) | #3A9494 | 0.040 |
| Achromatopsia (no color) | #868686 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598EA0
#598EA0
oklch(61.6% 0.062 221.6)
- #A67968
#A67968
oklch(61.6% 0.062 41.6)
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 #598EA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.035
- Steel #738595 ΔE 0.036
- Light Slate Gray #778899 ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.040
- Off Blue #5684AE ΔE 0.042
- Steel Grey #6F828A ΔE 0.043
- Slate Gray #708090 ΔE 0.045
Use #598EA0 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.