#558FA2
Closest named color: Dusty Blue (#5A86AD). oklch(61.8% 0.067 221), rgb(85, 143, 162).
Aa
Black text reads best on this color (5.83:1).
About this color
#558FA2 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.067 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.036 away. Black text reads best on it, at 5.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #558FA2 |
| RGB | rgb(85, 143, 162) |
| HSL | hsl(195, 31%, 48%) |
| OKLCH | oklch(61.8% 0.067 221) |
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 #558FA2 | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #558FA2 | 5.83:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #558FA2 text on white | 3.59:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #558FA2 text on black | 5.83:1 | AA | Lc -38.2 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7CA9B8
oklch(70.8% 0.053 220.5)
-
Step 500
500 (this color)
#558FA2
oklch(61.8% 0.067 221)
-
Step 600
600
#3C7D91
oklch(55.5% 0.073 220.6)
-
Step 700
700
#2E697C
oklch(49% 0.068 222)
-
Step 800
800
#275665
oklch(42.7% 0.057 221.5)
-
Step 900
900
#254752
oklch(37.7% 0.044 221)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#558FA2 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) | #848CA3 | 0.057 |
| Deuteranopia (no green cones) | #7883A2 | 0.051 |
| Tritanopia (no blue cones) | #2F9595 | 0.043 |
| Achromatopsia (no color) | #878787 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558FA2
#558FA2
oklch(61.8% 0.067 221)
- #A97866
#A97866
oklch(61.7% 0.067 41)
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 #558FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.036
- Blue Grey #758DA3 ΔE 0.037
- Light Slate Gray #778899 ΔE 0.041
- Steel #738595 ΔE 0.041
- Off Blue #5684AE ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.042
- Faded Blue #658CBB ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.048
Use #558FA2 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.