#607CC1
Closest named color: Cool Blue (#4984B8). oklch(59.5% 0.111 266.3), rgb(96, 124, 193).
Aa
Black text reads best on this color (5.15:1).
About this color
#607CC1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.111 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.037 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #607CC1 |
| RGB | rgb(96, 124, 193) |
| HSL | hsl(223, 44%, 57%) |
| OKLCH | oklch(59.5% 0.111 266.3) |
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 #607CC1 | 4.07:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #607CC1 | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #607CC1 text on white | 4.07:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #607CC1 text on black | 5.15:1 | AA | Lc -33.8 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C0E5
oklch(80.8% 0.055 266.7)
-
Step 400
400
#889FD7
oklch(70.6% 0.086 267)
-
Step 500
500 (this color)
#607CC1
oklch(59.5% 0.111 266.3)
-
Step 600
600
#5270BA
oklch(55.7% 0.12 266)
-
Step 700
700
#435DA0
oklch(49.1% 0.112 266.4)
-
Step 800
800
#374C82
oklch(42.7% 0.094 266.5)
-
Step 900
900
#304068
oklch(37.8% 0.072 266.5)
-
Step 950
950
#1C263D
oklch(27.1% 0.045 265.6)
#607CC1 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) | #6182C4 | 0.016 |
| Deuteranopia (no green cones) | #577ABF | 0.013 |
| Tritanopia (no blue cones) | #358B95 | 0.100 |
| Achromatopsia (no color) | #7E7E7E | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607CC1
#607CC1
oklch(59.5% 0.111 266.3)
- #9C791F
#9C791F
oklch(59.5% 0.111 85.9)
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 #607CC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.040
- Off Blue #5684AE ΔE 0.043
- Windows Blue #3778BF ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.048
- Faded Blue #658CBB ΔE 0.049
- Water Blue #0E87CC ΔE 0.059
- Flat Blue #3C73A8 ΔE 0.062
Use #607CC1 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.