#475DBD
Closest named color: Iris (#6258C4). oklch(51.3% 0.152 270.5), rgb(71, 93, 189).
Aa
White text reads best on this color (5.88:1).
About this color
#475DBD is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.152 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #475DBD |
| RGB | rgb(71, 93, 189) |
| HSL | hsl(229, 47%, 51%) |
| OKLCH | oklch(51.3% 0.152 270.5) |
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 #475DBD | 5.88:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #475DBD | 3.56:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #475DBD text on white | 5.88:1 | AA | Lc 79.1 | Fine for body text |
| #475DBD text on black | 3.56:1 | AA large text | Lc -22.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AEBFF1
oklch(80.9% 0.073 270.1)
-
Step 400
400
#859CEA
oklch(70.7% 0.117 270.7)
-
Step 500
500
#6781E4
oklch(63% 0.152 270.5)
-
Step 600
600
#5069D2
oklch(55.7% 0.164 270.2)
-
Step 700
700 (this color)
#475DBD
oklch(51.3% 0.152 270.5)
-
Step 800
800
#364793
oklch(42.7% 0.126 270.7)
-
Step 900
900
#2E3C75
oklch(37.6% 0.099 270.6)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#475DBD 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) | #276AC0 | 0.040 |
| Deuteranopia (no green cones) | #045FBB | 0.047 |
| Tritanopia (no blue cones) | #007384 | 0.130 |
| Achromatopsia (no color) | #646464 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475DBD
#475DBD
oklch(51.3% 0.152 270.5)
- #7E6300
#7E6300
oklch(51.2% 0.105 90)
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 #475DBD, closest first.
No curated palette has a color within ΔE 0.04 of #475DBD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.047
- French Blue #436BAD ΔE 0.049
- Warm Blue #4B57DB ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Royal Blue #4169E1 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
Use #475DBD 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.