#538797
Closest named color: Grey Blue (#647D8E). oklch(59.3% 0.061 219.5), rgb(83, 135, 151).
Aa
Black text reads best on this color (5.28:1).
About this color
#538797 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.061 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.031 away. Black text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #538797 |
| RGB | rgb(83, 135, 151) |
| HSL | hsl(194, 29%, 46%) |
| OKLCH | oklch(59.3% 0.061 219.5) |
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 #538797 | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #538797 | 5.28:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #538797 text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #538797 text on black | 5.28:1 | AA | Lc -34.6 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CD
oklch(80.9% 0.027 220.7)
-
Step 400
400
#83A8B3
oklch(70.8% 0.043 217.9)
-
Step 500
500
#6292A1
oklch(63.1% 0.056 219.5)
-
Step 600
600 (this color)
#538797
oklch(59.3% 0.061 219.5)
-
Step 700
700
#396877
oklch(49% 0.057 220.7)
-
Step 800
800
#305561
oklch(42.7% 0.047 220.8)
-
Step 900
900
#2B464F
oklch(37.6% 0.036 221)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#538797 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) | #7D8498 | 0.052 |
| Deuteranopia (no green cones) | #727C97 | 0.047 |
| Tritanopia (no blue cones) | #348D8C | 0.039 |
| Achromatopsia (no color) | #7F7F7F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538797
#538797
oklch(59.3% 0.061 219.5)
- #9E7263
#9E7263
oklch(59.3% 0.061 39.6)
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 #538797, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.031
- Steel Grey #6F828A ΔE 0.036
- Slate Gray #708090 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.037
- Steel #738595 ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
- Off Blue #5684AE ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.041
Use #538797 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.