#0659C5
Closest named color: Blue Blue (#2242C7). oklch(48.9% 0.183 258.8), rgb(6, 89, 197).
Aa
White text reads best on this color (6.47:1).
About this color
#0659C5 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.052 away. White text reads best on it, at 6.47:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.24:1 |
| White text | 6.47:1 |
Values
| HEX | #0659C5 |
| RGB | rgb(6, 89, 197) |
| HSL | hsl(214, 94%, 40%) |
| OKLCH | oklch(48.9% 0.183 258.8) |
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 #0659C5 | 6.47:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #0659C5 | 3.24:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #0659C5 text on white | 6.47:1 | AA | Lc 81.3 | Fine for body text |
| #0659C5 text on black | 3.24:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC2FA
oklch(80.8% 0.089 259.1)
-
Step 400
400
#68A1F8
oklch(70.8% 0.142 258.6)
-
Step 500
500
#3D86F5
oklch(63.1% 0.182 258.8)
-
Step 600
600
#186CE3
oklch(55.5% 0.197 258.9)
-
Step 700
700 (this color)
#0659C5
oklch(48.9% 0.183 258.8)
-
Step 800
800
#0D4AA0
oklch(42.7% 0.152 258.8)
-
Step 900
900
#143F7F
oklch(37.7% 0.118 258.7)
-
Step 950
950
#0D254A
oklch(26.9% 0.075 258.9)
#0659C5 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) | #0066C9 | 0.034 |
| Deuteranopia (no green cones) | #0056C3 | 0.009 |
| Tritanopia (no blue cones) | #007486 | 0.138 |
| Achromatopsia (no color) | #5E5E5E | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0659C5
#0659C5
oklch(48.9% 0.183 258.8)
- #7F5800
#7F5800
oklch(49% 0.102 78.8)
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 #0659C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.052
- Mid Blue #276AB3 ΔE 0.060
- Azul #1D5DEC ΔE 0.063
- Warm Blue #4B57DB ΔE 0.064
- Royal Blue #4169E1 ΔE 0.075
- Majorelle Blue #3F37C9 ΔE 0.077
- French Blue #436BAD ΔE 0.081
- Cerulean Blue #056EEE ΔE 0.081
Use #0659C5 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.