#588FC2
Closest named color: Faded Blue (#658CBB). oklch(63.3% 0.097 247.8), rgb(88, 143, 194).
Aa
Black text reads best on this color (6.12:1).
About this color
#588FC2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.097 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.016 away. Black text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.12:1 |
| White text | 3.42:1 |
Values
| HEX | #588FC2 |
| RGB | rgb(88, 143, 194) |
| HSL | hsl(209, 46%, 55%) |
| OKLCH | oklch(63.3% 0.097 247.8) |
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 #588FC2 | 3.42:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #588FC2 | 6.12:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #588FC2 text on white | 3.42:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #588FC2 text on black | 6.12:1 | AA | Lc -40.0 | 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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7BA5CE
oklch(70.7% 0.076 248.3)
-
Step 500
500 (this color)
#588FC2
oklch(63.3% 0.097 247.8)
-
Step 600
600
#3B78AE
oklch(55.7% 0.105 247.7)
-
Step 700
700
#2D6495
oklch(49% 0.098 248.1)
-
Step 800
800
#265279
oklch(42.7% 0.081 247.7)
-
Step 900
900
#244461
oklch(37.6% 0.063 247.6)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#588FC2 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) | #7A90C4 | 0.040 |
| Deuteranopia (no green cones) | #6C86C1 | 0.031 |
| Tritanopia (no blue cones) | #109BA1 | 0.082 |
| Achromatopsia (no color) | #8A8A8A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588FC2
#588FC2
oklch(63.3% 0.097 247.8)
- #B17E45
#B17E45
oklch(63.2% 0.097 67.5)
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 #588FC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.036
- Cool Blue #4984B8 ΔE 0.037
- Off Blue #5684AE ΔE 0.039
- Steel Blue #4682B4 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.048
- Blue Grey #758DA3 ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.054
Use #588FC2 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.