#607BDC
Closest named color: Soft Blue (#6488EA). oklch(60.9% 0.15 269.8), rgb(96, 123, 220).
Aa
Black text reads best on this color (5.36:1).
About this color
#607BDC is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.150 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.038 away. Black text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #607BDC |
| RGB | rgb(96, 123, 220) |
| HSL | hsl(227, 64%, 62%) |
| OKLCH | oklch(60.9% 0.15 269.8) |
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 #607BDC | 3.91:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #607BDC | 5.36:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #607BDC text on white | 3.91:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #607BDC text on black | 5.36:1 | AA | Lc -35.3 | 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
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#AEBFF1
oklch(80.9% 0.073 270.1)
-
Step 400
400
#849CEA
oklch(70.6% 0.118 270.2)
-
Step 500
500 (this color)
#607BDC
oklch(60.9% 0.15 269.8)
-
Step 600
600
#4F69D2
oklch(55.6% 0.164 269.9)
-
Step 700
700
#4057B5
oklch(49.1% 0.151 269.7)
-
Step 800
800
#354893
oklch(42.8% 0.125 269.8)
-
Step 900
900
#2D3D75
oklch(37.7% 0.098 269.3)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#607BDC 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) | #5086E0 | 0.031 |
| Deuteranopia (no green cones) | #3F7CDA | 0.034 |
| Tritanopia (no blue cones) | #0C90A1 | 0.133 |
| Achromatopsia (no color) | #818181 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607BDC
#607BDC
oklch(60.9% 0.15 269.8)
- #A07E00
#A07E00
oklch(60.8% 0.124 89.6)
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 #607BDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.038
- Cornflower #6A79F7 ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.052
- Royal Blue #4169E1 ΔE 0.063
- Windows Blue #3778BF ΔE 0.064
- Medium Slate Blue #7B68EE ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.069
- Dark Periwinkle #665FD1 ΔE 0.069
Use #607BDC 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.