#607FD1
Closest named color: Soft Blue (#6488EA). oklch(61% 0.13 266.9), rgb(96, 127, 209).
Aa
Black text reads best on this color (5.45:1).
About this color
#607FD1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.130 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.042 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #607FD1 |
| RGB | rgb(96, 127, 209) |
| HSL | hsl(224, 55%, 60%) |
| OKLCH | oklch(61% 0.13 266.9) |
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 #607FD1 | 3.85:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #607FD1 | 5.45:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #607FD1 text on white | 3.85:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #607FD1 text on black | 5.45:1 | AA | Lc -35.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AEC0EB
oklch(80.9% 0.064 267.2)
-
Step 400
400
#849FE1
oklch(70.8% 0.102 266.8)
-
Step 500
500 (this color)
#607FD1
oklch(61% 0.13 266.9)
-
Step 600
600
#4E6DC5
oklch(55.5% 0.141 267.1)
-
Step 700
700
#3F5BAA
oklch(49.1% 0.13 266.9)
-
Step 800
800
#344B8A
oklch(42.8% 0.108 266.8)
-
Step 900
900
#2D3F6E
oklch(37.7% 0.084 266.6)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#607FD1 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) | #5D87D4 | 0.021 |
| Deuteranopia (no green cones) | #507DCF | 0.020 |
| Tritanopia (no blue cones) | #23919E | 0.116 |
| Achromatopsia (no color) | #828282 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607FD1
#607FD1
oklch(61% 0.13 266.9)
- #A47D00
#A47D00
oklch(61.1% 0.125 86.6)
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 #607FD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.047
- Cool Blue #4984B8 ΔE 0.051
- Windows Blue #3778BF ΔE 0.056
- Faded Blue #658CBB ΔE 0.056
- Steel Blue #4682B4 ΔE 0.056
- Water Blue #0E87CC ΔE 0.059
- Off Blue #5684AE ΔE 0.061
Use #607FD1 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.