#595FB7
Closest named color: Iris (#6258C4). oklch(52.5% 0.136 277.7), rgb(89, 95, 183).
Aa
White text reads best on this color (5.60:1).
About this color
#595FB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.136 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.030 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #595FB7 |
| RGB | rgb(89, 95, 183) |
| HSL | hsl(236, 39%, 53%) |
| OKLCH | oklch(52.5% 0.136 277.7) |
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 #595FB7 | 5.60:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #595FB7 | 3.74:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #595FB7 text on white | 5.60:1 | AA | Lc 77.8 | Fine for body text |
| #595FB7 text on black | 3.74:1 | AA large text | Lc -23.9 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D8F0
oklch(88.6% 0.033 276.3)
-
Step 300
300
#B6BEE9
oklch(81% 0.061 276.7)
-
Step 400
400
#929BDE
oklch(70.8% 0.098 277.7)
-
Step 500
500
#7881D4
oklch(63.2% 0.125 277.5)
-
Step 600
600 (this color)
#595FB7
oklch(52.5% 0.136 277.7)
-
Step 700
700
#5156A7
oklch(49% 0.128 277.9)
-
Step 800
800
#424787
oklch(42.7% 0.105 277.6)
-
Step 900
900
#383C6C
oklch(37.7% 0.082 278.1)
-
Step 950
950
#20233F
oklch(26.8% 0.052 277.6)
#595FB7 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) | #376BBA | 0.046 |
| Deuteranopia (no green cones) | #2E64B5 | 0.048 |
| Tritanopia (no blue cones) | #327282 | 0.120 |
| Achromatopsia (no color) | #686868 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #595FB7
#595FB7
oklch(52.5% 0.136 277.7)
- #7B6A00
#7B6A00
oklch(52.5% 0.108 98.1)
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 #595FB7, closest first.
No curated palette has a color within ΔE 0.04 of #595FB7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.045
- French Blue #436BAD ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.050
- Mid Blue #276AB3 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.064
Use #595FB7 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.