#597583
Closest named color: Metallic Blue (#4F738E). oklch(54.6% 0.039 230), rgb(89, 117, 131).
Aa
White text reads best on this color (4.88:1).
About this color
#597583 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.039 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.023 away. White text reads best on it, at 4.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #597583 |
| RGB | rgb(89, 117, 131) |
| HSL | hsl(200, 19%, 43%) |
| OKLCH | oklch(54.6% 0.039 230) |
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 #597583 | 4.88:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #597583 | 4.29:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #597583 text on white | 4.88:1 | AA | Lc 73.9 | Content text, not long reading |
| #597583 text on black | 4.29:1 | AA large text | Lc -27.8 | Dividers and decoration only |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B6C3CA
oklch(80.9% 0.017 231)
-
Step 400
400
#8FA4AF
oklch(70.6% 0.029 230.6)
-
Step 500
500
#748E9B
oklch(63.1% 0.035 229.6)
-
Step 600
600 (this color)
#597583
oklch(54.6% 0.039 230)
-
Step 700
700
#4B6572
oklch(49.1% 0.037 230.1)
-
Step 800
800
#3E525C
oklch(42.6% 0.03 229.9)
-
Step 900
900
#35444C
oklch(37.7% 0.024 231.5)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#597583 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) | #6E7484 | 0.029 |
| Deuteranopia (no green cones) | #686F83 | 0.025 |
| Tritanopia (no blue cones) | #4B7979 | 0.029 |
| Achromatopsia (no color) | #717171 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597583
#597583
oklch(54.6% 0.039 230)
- #846A5C
#846A5C
oklch(54.6% 0.04 49.8)
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 #597583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.023
- Battleship Gray #6C757D ΔE 0.026
- Grey Blue #647D8E ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.038
- Cerulean #457B9D ΔE 0.042
- Dull Blue #49759C ΔE 0.042
- Dim Gray #696969 ΔE 0.046
Use #597583 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.