#0647A2
Closest named color: Cobalt (#1E488F). oklch(42.1% 0.159 259.3), rgb(6, 71, 162).
Aa
White text reads best on this color (8.63:1).
About this color
#0647A2 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.159 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.033 away. White text reads best on it, at 8.63:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #0647A2 |
| RGB | rgb(6, 71, 162) |
| HSL | hsl(215, 93%, 33%) |
| OKLCH | oklch(42.1% 0.159 259.3) |
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 #0647A2 | 8.63:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #0647A2 | 2.43:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #0647A2 text on white | 8.63:1 | AAA | Lc 88.9 | Fine for body text |
| #0647A2 text on black | 2.43:1 | Fails | Lc -13.3 | Not readable |
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
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FD
oklch(80.9% 0.093 259.6)
-
Step 400
400
#66A0FC
oklch(70.7% 0.149 259.3)
-
Step 500
500
#3A85FA
oklch(63.2% 0.19 259.2)
-
Step 600
600
#126BE9
oklch(55.7% 0.206 259.2)
-
Step 700
700
#0158CB
oklch(49.2% 0.193 259.3)
-
Step 800
800 (this color)
#0647A2
oklch(42.1% 0.159 259.3)
-
Step 900
900
#123E82
oklch(37.7% 0.124 259.3)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#0647A2 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) | #0053A5 | 0.032 |
| Deuteranopia (no green cones) | #0045A0 | 0.007 |
| Tritanopia (no blue cones) | #005E6D | 0.121 |
| Achromatopsia (no color) | #4C4C4C | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0647A2
#0647A2
oklch(42.1% 0.159 259.3)
- #674700
#674700
oklch(42.3% 0.088 79.2)
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 #0647A2, closest first.
No curated palette has a color within ΔE 0.04 of #0647A2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.033
- Sapphire #2138AB ΔE 0.038
- Dusk Blue #26538D ΔE 0.056
- Light Navy #155084 ΔE 0.059
- Blueberry #464196 ΔE 0.062
- Blue Blue #2242C7 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.067
- Deep Sea Blue #015482 ΔE 0.068
Use #0647A2 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.