#164DA7
Closest named color: Cobalt (#1E488F). oklch(44.2% 0.156 260.1), rgb(22, 77, 167).
Aa
White text reads best on this color (7.91:1).
About this color
#164DA7 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.156 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.040 away. White text reads best on it, at 7.91:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #164DA7 |
| RGB | rgb(22, 77, 167) |
| HSL | hsl(217, 77%, 37%) |
| OKLCH | oklch(44.2% 0.156 260.1) |
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 #164DA7 | 7.91:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #164DA7 | 2.65:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #164DA7 text on white | 7.91:1 | AAA | Lc 86.9 | Fine for body text |
| #164DA7 text on black | 2.65:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFB
oklch(88.4% 0.051 260.4)
-
Step 300
300
#9EC2FC
oklch(80.9% 0.091 259.8)
-
Step 400
400
#69A0FB
oklch(70.8% 0.146 260)
-
Step 500
500
#4084F8
oklch(63% 0.187 260.4)
-
Step 600
600
#1E6BE7
oklch(55.7% 0.202 260.1)
-
Step 700
700
#1058C9
oklch(49.2% 0.188 260.2)
-
Step 800
800 (this color)
#164DA7
oklch(44.2% 0.156 260.1)
-
Step 900
900
#163E81
oklch(37.7% 0.122 260.2)
-
Step 950
950
#0E254B
oklch(27% 0.076 259.9)
#164DA7 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) | #0158AA | 0.029 |
| Deuteranopia (no green cones) | #004BA5 | 0.012 |
| Tritanopia (no blue cones) | #006372 | 0.119 |
| Achromatopsia (no color) | #515151 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #164DA7
#164DA7
oklch(44.2% 0.156 260.1)
- #6D4C00
#6D4C00
oklch(44.1% 0.091 79.9)
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 #164DA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.040
- Dusk Blue #26538D ΔE 0.049
- Sapphire #2138AB ΔE 0.050
- Blue Blue #2242C7 ΔE 0.057
- Light Navy #155084 ΔE 0.059
- Blueberry #464196 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.067
- Deep Sea Blue #015482 ΔE 0.068
Use #164DA7 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.