#595FB3
Closest named color: Iris (#6258C4). oklch(52.2% 0.131 277.8), rgb(89, 95, 179).
Aa
White text reads best on this color (5.65:1).
About this color
#595FB3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.131 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.036 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #595FB3 |
| RGB | rgb(89, 95, 179) |
| HSL | hsl(236, 37%, 53%) |
| OKLCH | oklch(52.2% 0.131 277.8) |
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 #595FB3 | 5.65:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #595FB3 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #595FB3 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #595FB3 text on black | 3.71:1 | AA large text | Lc -23.7 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D7F1
oklch(88.4% 0.036 278.7)
-
Step 300
300
#B6BDEA
oklch(80.8% 0.064 277.9)
-
Step 400
400
#919ADF
oklch(70.6% 0.101 277.8)
-
Step 500
500
#7880D6
oklch(63.1% 0.129 278)
-
Step 600
600
#6168C4
oklch(55.6% 0.141 277.5)
-
Step 700
700 (this color)
#595FB3
oklch(52.2% 0.131 277.8)
-
Step 800
800
#424789
oklch(42.8% 0.108 277.5)
-
Step 900
900
#373C6D
oklch(37.7% 0.083 277.2)
-
Step 950
950
#202340
oklch(26.9% 0.054 277.6)
#595FB3 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) | #3B6BB6 | 0.043 |
| Deuteranopia (no green cones) | #3264B1 | 0.045 |
| Tritanopia (no blue cones) | #357180 | 0.115 |
| Achromatopsia (no color) | #676767 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #595FB3
#595FB3
oklch(52.2% 0.131 277.8)
- #7A6900
#7A6900
oklch(52.1% 0.108 98)
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 #595FB3, closest first.
No curated palette has a color within ΔE 0.04 of #595FB3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.036
- French Blue #436BAD ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.055
- Mid Blue #276AB3 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.067
Use #595FB3 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.