#607DDC
Closest named color: Soft Blue (#6488EA). oklch(61.3% 0.148 269), rgb(96, 125, 220).
Aa
Black text reads best on this color (5.46:1).
About this color
#607DDC is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.148 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.034 away. Black text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #607DDC |
| RGB | rgb(96, 125, 220) |
| HSL | hsl(226, 64%, 62%) |
| OKLCH | oklch(61.3% 0.148 269) |
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 #607DDC | 3.84:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #607DDC | 5.46:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #607DDC text on white | 3.84:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #607DDC text on black | 5.46:1 | AA | Lc -35.9 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF0
oklch(80.8% 0.072 269)
-
Step 400
400
#839DE9
oklch(70.7% 0.116 268.9)
-
Step 500
500 (this color)
#607DDC
oklch(61.3% 0.148 269)
-
Step 600
600
#4E6AD0
oklch(55.6% 0.16 269.1)
-
Step 700
700
#3F58B4
oklch(49.2% 0.149 268.9)
-
Step 800
800
#344892
oklch(42.7% 0.124 269.2)
-
Step 900
900
#2D3D74
oklch(37.6% 0.096 269.2)
-
Step 950
950
#1A2444
oklch(26.9% 0.061 268.9)
#607DDC 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) | #5388E0 | 0.030 |
| Deuteranopia (no green cones) | #437DDA | 0.030 |
| Tritanopia (no blue cones) | #0A92A2 | 0.132 |
| Achromatopsia (no color) | #828282 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607DDC
#607DDC
oklch(61.3% 0.148 269)
- #A27F00
#A27F00
oklch(61.3% 0.125 89.2)
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 #607DDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.034
- Cornflower #6A79F7 ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.064
- Windows Blue #3778BF ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.065
- Royal Blue #4169E1 ΔE 0.067
- Water Blue #0E87CC ΔE 0.067
Use #607DDC 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.