#658DDD
Closest named color: Soft Blue (#6488EA). oklch(65% 0.128 263.1), rgb(101, 141, 221).
Aa
Black text reads best on this color (6.40:1).
About this color
#658DDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.128 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.026 away. Black text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #658DDD |
| RGB | rgb(101, 141, 221) |
| HSL | hsl(220, 64%, 63%) |
| OKLCH | oklch(65% 0.128 263.1) |
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 #658DDD | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #658DDD | 6.40:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #658DDD text on white | 3.27:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #658DDD text on black | 6.40:1 | AA | Lc -41.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAF1
oklch(88.6% 0.035 262)
-
Step 300
300
#ACC1EA
oklch(80.9% 0.063 263.7)
-
Step 400
400
#80A0E0
oklch(70.7% 0.101 263.6)
-
Step 500
500 (this color)
#658DDD
oklch(65% 0.128 263.1)
-
Step 600
600
#4770C4
oklch(55.7% 0.138 263.1)
-
Step 700
700
#385DA9
oklch(49.1% 0.129 263)
-
Step 800
800
#2F4C89
oklch(42.6% 0.107 263.4)
-
Step 900
900
#29406E
oklch(37.7% 0.084 262.9)
-
Step 950
950
#182640
oklch(27% 0.052 262)
#658DDD 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) | #6D94E0 | 0.022 |
| Deuteranopia (no green cones) | #5E89DB | 0.014 |
| Tritanopia (no blue cones) | #1F9FAA | 0.116 |
| Achromatopsia (no color) | #8E8E8E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #658DDD
#658DDD
oklch(65% 0.128 263.1)
- #B58715
#B58715
oklch(65.1% 0.129 83.2)
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 #658DDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.037
- Faded Blue #658CBB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.066
- Dodger Blue #1E90FF ΔE 0.068
Use #658DDD 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.