#607CAA
Closest named color: Off Blue (#5684AE). oklch(58.3% 0.078 260.1), rgb(96, 124, 170).
Aa
Black text reads best on this color (4.96:1).
About this color
#607CAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.078 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.023 away. Black text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #607CAA |
| RGB | rgb(96, 124, 170) |
| HSL | hsl(217, 30%, 52%) |
| OKLCH | oklch(58.3% 0.078 260.1) |
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 #607CAA | 4.23:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #607CAA | 4.96:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #607CAA text on white | 4.23:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #607CAA text on black | 4.96:1 | AA | Lc -32.5 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C1D8
oklch(80.8% 0.036 261.9)
-
Step 400
400
#8CA2C4
oklch(70.7% 0.056 259)
-
Step 500
500
#708AB5
oklch(63% 0.072 260.3)
-
Step 600
600 (this color)
#607CAA
oklch(58.3% 0.078 260.1)
-
Step 700
700
#48618A
oklch(49.1% 0.073 260)
-
Step 800
800
#3B4F70
oklch(42.6% 0.061 260.2)
-
Step 900
900
#33425B
oklch(37.7% 0.047 260.4)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#607CAA 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) | #6B7FAC | 0.018 |
| Deuteranopia (no green cones) | #6378A9 | 0.011 |
| Tritanopia (no blue cones) | #45868C | 0.070 |
| Achromatopsia (no color) | #7B7B7B | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607CAA
#607CAA
oklch(58.3% 0.078 260.1)
- #947643
#947643
oklch(58.3% 0.078 79.6)
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 #607CAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.028
- Stormy Blue #507B9C ΔE 0.030
- Steel Blue #4682B4 ΔE 0.031
- Cool Blue #4984B8 ΔE 0.033
- Cerulean #457B9D ΔE 0.038
- Dull Blue #49759C ΔE 0.041
- Grey Blue #647D8E ΔE 0.045
Use #607CAA 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.