#4970AE
Closest named color: French Blue (#436BAD). oklch(54.5% 0.107 259.3), rgb(73, 112, 174).
Aa
White text reads best on this color (4.98:1).
About this color
#4970AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.107 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.016 away. White text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #4970AE |
| RGB | rgb(73, 112, 174) |
| HSL | hsl(217, 41%, 48%) |
| OKLCH | oklch(54.5% 0.107 259.3) |
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 #4970AE | 4.98:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #4970AE | 4.21:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #4970AE text on white | 4.98:1 | AA | Lc 74.3 | Content text, not long reading |
| #4970AE text on black | 4.21:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AEC2E0
oklch(80.9% 0.048 258.4)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#658AC5
oklch(63.1% 0.099 259.5)
-
Step 600
600 (this color)
#4970AE
oklch(54.5% 0.107 259.3)
-
Step 700
700
#3D6099
oklch(49% 0.101 259.7)
-
Step 800
800
#334F7C
oklch(42.7% 0.083 259.5)
-
Step 900
900
#2C4264
oklch(37.7% 0.065 258.8)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#4970AE 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) | #5675B1 | 0.022 |
| Deuteranopia (no green cones) | #496BAD | 0.014 |
| Tritanopia (no blue cones) | #007E87 | 0.094 |
| Achromatopsia (no color) | #707070 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4970AE
#4970AE
oklch(54.5% 0.107 259.3)
- #916812
#916812
oklch(54.6% 0.107 79.7)
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 #4970AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.016
- Flat Blue #3C73A8 ΔE 0.019
- Muted Blue #3B719F ΔE 0.030
- Windows Blue #3778BF ΔE 0.032
- Dull Blue #49759C ΔE 0.035
- Mid Blue #276AB3 ΔE 0.038
- Nice Blue #107AB0 ΔE 0.042
- Cerulean #457B9D ΔE 0.047
Use #4970AE 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.