#587197
Closest named color: Dull Blue (#49759C). oklch(54.4% 0.067 258.6), rgb(88, 113, 151).
Aa
White text reads best on this color (4.97:1).
About this color
#587197 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.067 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.019 away. White text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #587197 |
| RGB | rgb(88, 113, 151) |
| HSL | hsl(216, 26%, 47%) |
| OKLCH | oklch(54.4% 0.067 258.6) |
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 #587197 | 4.97:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #587197 | 4.22:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #587197 text on white | 4.97:1 | AA | Lc 74.4 | Content text, not long reading |
| #587197 text on black | 4.22:1 | AA large text | Lc -27.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B5C2D4
oklch(81% 0.029 256.5)
-
Step 400
400
#8FA2BF
oklch(70.7% 0.048 258.7)
-
Step 500
500
#738BAF
oklch(63.2% 0.061 258.3)
-
Step 600
600 (this color)
#587197
oklch(54.4% 0.067 258.6)
-
Step 700
700
#4B6284
oklch(49.2% 0.062 258)
-
Step 800
800
#3E506B
oklch(42.8% 0.051 258.3)
-
Step 900
900
#354257
oklch(37.7% 0.04 259.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#587197 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) | #637399 | 0.017 |
| Deuteranopia (no green cones) | #5C6D96 | 0.012 |
| Tritanopia (no blue cones) | #42797E | 0.059 |
| Achromatopsia (no color) | #707070 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587197
#587197
oklch(54.4% 0.067 258.6)
- #856B42
#856B42
oklch(54.3% 0.066 78.1)
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 #587197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.019
- Metallic Blue #4F738E ΔE 0.021
- Stormy Blue #507B9C ΔE 0.028
- Cerulean #457B9D ΔE 0.032
- Muted Blue #3B719F ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.038
- Grey Blue #647D8E ΔE 0.046
- French Blue #436BAD ΔE 0.049
Use #587197 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.