#587198
Closest named color: Dull Blue (#49759C). oklch(54.5% 0.068 259.1), rgb(88, 113, 152).
Aa
White text reads best on this color (4.96:1).
About this color
#587198 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.068 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 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.23:1 |
| White text | 4.96:1 |
Values
| HEX | #587198 |
| RGB | rgb(88, 113, 152) |
| HSL | hsl(217, 27%, 47%) |
| OKLCH | oklch(54.5% 0.068 259.1) |
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 #587198 | 4.96:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #587198 | 4.23:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #587198 text on white | 4.96:1 | AA | Lc 74.3 | Content text, not long reading |
| #587198 text on black | 4.23:1 | AA large text | Lc -27.4 | 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
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B5C2D5
oklch(81% 0.03 257.8)
-
Step 400
400
#8FA2C0
oklch(70.8% 0.049 259.5)
-
Step 500
500
#738BB0
oklch(63.2% 0.062 258.9)
-
Step 600
600 (this color)
#587198
oklch(54.5% 0.068 259.1)
-
Step 700
700
#4B6185
oklch(49% 0.064 260)
-
Step 800
800
#3E506C
oklch(42.8% 0.052 259.1)
-
Step 900
900
#344257
oklch(37.6% 0.041 258.3)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#587198 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) | #63739A | 0.017 |
| Deuteranopia (no green cones) | #5C6D97 | 0.012 |
| Tritanopia (no blue cones) | #42797E | 0.060 |
| Achromatopsia (no color) | #707070 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587198
#587198
oklch(54.5% 0.068 259.1)
- #856B41
#856B41
oklch(54.3% 0.067 78.6)
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 #587198, 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 0.022
- Stormy Blue #507B9C ΔE 0.028
- Cerulean #457B9D ΔE 0.032
- Muted Blue #3B719F ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.037
- Grey Blue #647D8E ΔE 0.047
- French Blue #436BAD ΔE 0.048
Use #587198 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.