#728598
Closest named color: Steel (#738595). oklch(60.8% 0.036 248.4), rgb(114, 133, 152).
Aa
Black text reads best on this color (5.52:1).
About this color
#728598 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.036 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.005 away. Black text reads best on it, at 5.52:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #728598 |
| RGB | rgb(114, 133, 152) |
| HSL | hsl(210, 16%, 52%) |
| OKLCH | oklch(60.8% 0.036 248.4) |
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 #728598 | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #728598 | 5.52:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #728598 text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #728598 text on black | 5.52:1 | AA | Lc -36.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#93A3B2
oklch(70.8% 0.028 246.5)
-
Step 500
500 (this color)
#728598
oklch(60.8% 0.036 248.4)
-
Step 600
600
#61768A
oklch(55.6% 0.04 247.3)
-
Step 700
700
#516375
oklch(49.2% 0.036 248.6)
-
Step 800
800
#42515F
oklch(42.8% 0.03 246.7)
-
Step 900
900
#38434E
oklch(37.7% 0.024 248.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#728598 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) | #7E8599 | 0.017 |
| Deuteranopia (no green cones) | #798198 | 0.014 |
| Tritanopia (no blue cones) | #68898B | 0.030 |
| Achromatopsia (no color) | #838383 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728598
#728598
oklch(60.8% 0.036 248.4)
- #927F6C
#927F6C
oklch(60.9% 0.036 67.1)
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 #728598, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.005
- Light Slate Gray #778899 ΔE 0.011
- Slate Gray #708090 ΔE 0.017
- Steel Grey #6F828A ΔE 0.022
- Lavender Gray #7E7F9A ΔE 0.024
- Blue Grey #758DA3 ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.031
- Grey Blue #647D8E ΔE 0.033
Use #728598 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.