#4670A4
Closest named color: Flat Blue (#3C73A8). oklch(53.8% 0.095 254.5), rgb(70, 112, 164).
Aa
White text reads best on this color (5.10:1).
About this color
#4670A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.095 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.012 away. White text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #4670A4 |
| RGB | rgb(70, 112, 164) |
| HSL | hsl(213, 40%, 46%) |
| OKLCH | oklch(53.8% 0.095 254.5) |
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 #4670A4 | 5.10:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #4670A4 | 4.11:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #4670A4 text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #4670A4 text on black | 4.11:1 | AA large text | Lc -26.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AEC3DC
oklch(80.9% 0.042 252.9)
-
Step 400
400
#84A3CB
oklch(70.7% 0.068 255)
-
Step 500
500
#648CBD
oklch(63.1% 0.087 254)
-
Step 600
600 (this color)
#4670A4
oklch(53.8% 0.095 254.5)
-
Step 700
700
#3C6292
oklch(49% 0.089 254.9)
-
Step 800
800
#325076
oklch(42.6% 0.073 254.9)
-
Step 900
900
#2C435F
oklch(37.7% 0.056 253.9)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#4670A4 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) | #5B73A6 | 0.028 |
| Deuteranopia (no green cones) | #4F6AA3 | 0.018 |
| Tritanopia (no blue cones) | #007C83 | 0.083 |
| Achromatopsia (no color) | #6E6E6E | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4670A4
#4670A4
oklch(53.8% 0.095 254.5)
- #8E6526
#8E6526
oklch(53.7% 0.095 74.6)
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 #4670A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.012
- Muted Blue #3B719F ΔE 0.015
- Dull Blue #49759C ΔE 0.022
- French Blue #436BAD ΔE 0.023
- Cerulean #457B9D ΔE 0.037
- Metallic Blue #4F738E ΔE 0.039
- Stormy Blue #507B9C ΔE 0.040
- Nice Blue #107AB0 ΔE 0.041
Use #4670A4 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.