#607699
Closest named color: Stormy Blue (#507B9C). oklch(56.2% 0.061 259.5), rgb(96, 118, 153).
Aa
White text reads best on this color (4.61:1).
About this color
#607699 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.061 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.022 away. White text reads best on it, at 4.61:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #607699 |
| RGB | rgb(96, 118, 153) |
| HSL | hsl(217, 23%, 49%) |
| OKLCH | oklch(56.2% 0.061 259.5) |
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 #607699 | 4.61:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #607699 | 4.54:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #607699 text on white | 4.61:1 | AA | Lc 72.0 | Content text, not long reading |
| #607699 text on black | 4.54:1 | AA | Lc -29.6 | Dividers and decoration only |
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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C1D3
oklch(80.8% 0.028 260.3)
-
Step 400
400
#91A2BC
oklch(70.8% 0.043 258.8)
-
Step 500
500
#768BAC
oklch(63.2% 0.056 259.3)
-
Step 600
600 (this color)
#607699
oklch(56.2% 0.061 259.5)
-
Step 700
700
#4E6181
oklch(49% 0.057 260.7)
-
Step 800
800
#405069
oklch(42.8% 0.046 259.2)
-
Step 900
900
#364255
oklch(37.7% 0.036 259.5)
-
Step 950
950
#202732
oklch(27.1% 0.023 259.3)
#607699 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) | #6A789B | 0.016 |
| Deuteranopia (no green cones) | #647298 | 0.012 |
| Tritanopia (no blue cones) | #4E7D82 | 0.053 |
| Achromatopsia (no color) | #757575 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #607699
#607699
oklch(56.2% 0.061 259.5)
- #88714C
#88714C
oklch(56.1% 0.06 79)
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 #607699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.022
- Dull Blue #49759C ΔE 0.028
- Metallic Blue #4F738E ΔE 0.030
- Cerulean #457B9D ΔE 0.031
- Grey Blue #647D8E ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.043
- Slate Gray #708090 ΔE 0.043
- Off Blue #5684AE ΔE 0.044
Use #607699 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.