#597786
Closest named color: Metallic Blue (#4F738E). oklch(55.2% 0.042 230.1), rgb(89, 119, 134).
Aa
White text reads best on this color (4.76:1).
About this color
#597786 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.042 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.024 away. White text reads best on it, at 4.76:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #597786 |
| RGB | rgb(89, 119, 134) |
| HSL | hsl(200, 20%, 44%) |
| OKLCH | oklch(55.2% 0.042 230.1) |
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 #597786 | 4.76:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #597786 | 4.40:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #597786 text on white | 4.76:1 | AA | Lc 73.0 | Content text, not long reading |
| #597786 text on black | 4.40:1 | AA large text | Lc -28.6 | 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
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D3DBDF
oklch(88.6% 0.01 228.9)
-
Step 300
300
#B5C3CB
oklch(80.9% 0.019 232.6)
-
Step 400
400
#8EA5B0
oklch(70.8% 0.03 228.3)
-
Step 500
500
#728E9D
oklch(63% 0.039 231.5)
-
Step 600
600 (this color)
#597786
oklch(55.2% 0.042 230.1)
-
Step 700
700
#4A6573
oklch(49.1% 0.039 231.1)
-
Step 800
800
#3D535D
oklch(42.8% 0.032 227.6)
-
Step 900
900
#34444C
oklch(37.6% 0.025 229.8)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#597786 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) | #707687 | 0.031 |
| Deuteranopia (no green cones) | #697086 | 0.028 |
| Tritanopia (no blue cones) | #4A7B7C | 0.029 |
| Achromatopsia (no color) | #737373 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597786
#597786
oklch(55.2% 0.042 230.1)
- #876B5C
#876B5C
oklch(55.1% 0.042 49.6)
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 #597786, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.024
- Grey Blue #647D8E ΔE 0.025
- Battleship Gray #6C757D ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.033
- Cerulean #457B9D ΔE 0.038
- Dull Blue #49759C ΔE 0.040
- Slate Gray #708090 ΔE 0.044
Use #597786 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.